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In-Reply-To: <1668762999-9297-1-git-send-email-yangtiezhu@loongson.cn>
From:   Ian Rogers <irogers@google.com>
Date:   Sat, 19 Nov 2022 10:17:40 -0800
Message-ID: <CAP-5=fXR58DQFkUW81KUs_f9cLTX=L28H1hkxXVzX3dUdRLBjw@mail.gmail.com>
Subject: Re: [PATCH] tools: perf: Use "grep -E" instead of "egrep"
To:     Tiezhu Yang <yangtiezhu@loongson.cn>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org
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On Fri, Nov 18, 2022 at 1:17 AM Tiezhu Yang <yangtiezhu@loongson.cn> wrote:
>
> The latest version of grep claims the egrep is now obsolete so the build
> now contains warnings that look like:
>         egrep: warning: egrep is obsolescent; using grep -E
> fix this up by moving the related file to use "grep -E" instead.
>
>   sed -i "s/egrep/grep -E/g" `grep egrep -rwl tools/perf`
>
> Here are the steps to install the latest grep:
>
>   wget http://ftp.gnu.org/gnu/grep/grep-3.8.tar.gz
>   tar xf grep-3.8.tar.gz
>   cd grep-3.8 && ./configure && make
>   sudo make install
>   export PATH=3D/usr/local/bin:$PATH
>
> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>

Hi Tiezhu,

installing a newer grep tool in order to build/test perf is somewhat
burdensome, as such I don't think we should merge this change. Looking
at my Debian derived distro. I have grep 3.7, so I'd need to do this.
I imagine the majority of people are using a grep earlier than 3.8. I
agree there is a problem perhaps we can:
 - rewrite to just need grep and not egrep;
 - rewrite in a stable language with regex support, perhaps python;
 - have a grep/egrep wrapper that selects based on version number.

Thanks,
Ian

> ---
>  tools/perf/Makefile                                |  2 +-
>  tools/perf/builtin-trace.c                         |  2 +-
>  tools/perf/tests/make                              |  2 +-
>  tools/perf/tests/shell/lib/probe_vfs_getname.sh    |  4 ++--
>  .../tests/shell/record+probe_libc_inet_pton.sh     |  2 +-
>  .../tests/shell/record+script_probe_vfs_getname.sh |  2 +-
>  tools/perf/tests/shell/record.sh                   |  8 ++++----
>  tools/perf/tests/shell/record_offcpu.sh            |  2 +-
>  tools/perf/tests/shell/stat.sh                     | 10 +++++-----
>  tools/perf/tests/shell/test_arm_coresight.sh       |  8 ++++----
>  tools/perf/tests/shell/test_arm_spe.sh             |  6 +++---
>  tools/perf/tests/shell/test_arm_spe_fork.sh        |  2 +-
>  tools/perf/tests/shell/test_brstack.sh             | 18 +++++++++-------=
--
>  tools/perf/tests/shell/test_data_symbol.sh         |  4 ++--
>  tools/perf/tests/shell/test_java_symbol.sh         |  2 +-
>  tools/perf/tests/shell/trace+probe_vfs_getname.sh  |  4 ++--
>  tools/perf/trace/beauty/fadvise.sh                 |  2 +-
>  tools/perf/trace/beauty/fsmount.sh                 |  2 +-
>  tools/perf/trace/beauty/fspick.sh                  |  2 +-
>  tools/perf/trace/beauty/kcmp_type.sh               |  2 +-
>  tools/perf/trace/beauty/kvm_ioctl.sh               |  4 ++--
>  tools/perf/trace/beauty/madvise_behavior.sh        |  2 +-
>  tools/perf/trace/beauty/mmap_flags.sh              | 22 +++++++++++-----=
------
>  tools/perf/trace/beauty/mmap_prot.sh               | 12 ++++++------
>  tools/perf/trace/beauty/mount_flags.sh             |  4 ++--
>  tools/perf/trace/beauty/move_mount_flags.sh        |  2 +-
>  tools/perf/trace/beauty/mremap_flags.sh            |  4 ++--
>  tools/perf/trace/beauty/perf_ioctl.sh              |  2 +-
>  .../perf/trace/beauty/pkey_alloc_access_rights.sh  |  2 +-
>  tools/perf/trace/beauty/prctl_option.sh            |  4 ++--
>  tools/perf/trace/beauty/rename_flags.sh            |  4 ++--
>  tools/perf/trace/beauty/sockaddr.sh                |  4 ++--
>  tools/perf/trace/beauty/socket.sh                  |  4 ++--
>  tools/perf/trace/beauty/sync_file_range.sh         |  2 +-
>  .../trace/beauty/tracepoints/x86_irq_vectors.sh    |  4 ++--
>  tools/perf/trace/beauty/tracepoints/x86_msr.sh     | 12 ++++++------
>  tools/perf/trace/beauty/usbdevfs_ioctl.sh          |  4 ++--
>  tools/perf/trace/beauty/vhost_virtio_ioctl.sh      |  4 ++--
>  tools/perf/trace/beauty/x86_arch_prctl.sh          |  4 ++--
>  39 files changed, 93 insertions(+), 93 deletions(-)
>
> diff --git a/tools/perf/Makefile b/tools/perf/Makefile
> index f3fe360..75f3f6e 100644
> --- a/tools/perf/Makefile
> +++ b/tools/perf/Makefile
> @@ -25,7 +25,7 @@ unexport MAKEFLAGS
>  # (To override it, run 'make JOBS=3D1' and similar.)
>  #
>  ifeq ($(JOBS),)
> -  JOBS :=3D $(shell (getconf _NPROCESSORS_ONLN || egrep -c '^processor|^=
CPU[0-9]' /proc/cpuinfo) 2>/dev/null)
> +  JOBS :=3D $(shell (getconf _NPROCESSORS_ONLN || grep -E -c '^processor=
|^CPU[0-9]' /proc/cpuinfo) 2>/dev/null)
>    ifeq ($(JOBS),0)
>      JOBS :=3D 1
>    endif
> diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
> index d3c7577..7969c66 100644
> --- a/tools/perf/builtin-trace.c
> +++ b/tools/perf/builtin-trace.c
> @@ -1730,7 +1730,7 @@ syscall_arg_fmt__init_array(struct syscall_arg_fmt =
*arg, struct tep_format_field
>                          len >=3D 2 && strcmp(field->name + len - 2, "fd"=
) =3D=3D 0) {
>                         /*
>                          * /sys/kernel/tracing/events/syscalls/sys_enter*
> -                        * egrep 'field:.*fd;' .../format|sed -r 's/.*fie=
ld:([a-z ]+) [a-z_]*fd.+/\1/g'|sort|uniq -c
> +                        * grep -E 'field:.*fd;' .../format|sed -r 's/.*f=
ield:([a-z ]+) [a-z_]*fd.+/\1/g'|sort|uniq -c
>                          * 65 int
>                          * 23 unsigned int
>                          * 7 unsigned long
> diff --git a/tools/perf/tests/make b/tools/perf/tests/make
> index da013e9..05e818a 100644
> --- a/tools/perf/tests/make
> +++ b/tools/perf/tests/make
> @@ -29,7 +29,7 @@ endif
>  PARALLEL_OPT=3D
>  ifeq ($(SET_PARALLEL),1)
>    ifeq ($(JOBS),)
> -    cores :=3D $(shell (getconf _NPROCESSORS_ONLN || egrep -c '^processo=
r|^CPU[0-9]' /proc/cpuinfo) 2>/dev/null)
> +    cores :=3D $(shell (getconf _NPROCESSORS_ONLN || grep -E -c '^proces=
sor|^CPU[0-9]' /proc/cpuinfo) 2>/dev/null)
>      ifeq ($(cores),0)
>        cores :=3D 1
>      endif
> diff --git a/tools/perf/tests/shell/lib/probe_vfs_getname.sh b/tools/perf=
/tests/shell/lib/probe_vfs_getname.sh
> index b616d42..ed0a397 100644
> --- a/tools/perf/tests/shell/lib/probe_vfs_getname.sh
> +++ b/tools/perf/tests/shell/lib/probe_vfs_getname.sh
> @@ -12,13 +12,13 @@ cleanup_probe_vfs_getname() {
>  add_probe_vfs_getname() {
>         local verbose=3D$1
>         if [ $had_vfs_getname -eq 1 ] ; then
> -               line=3D$(perf probe -L getname_flags 2>&1 | egrep 'result=
.*=3D.*filename;' | sed -r 's/[[:space:]]+([[:digit:]]+)[[:space:]]+result-=
>uptr.*/\1/')
> +               line=3D$(perf probe -L getname_flags 2>&1 | grep -E 'resu=
lt.*=3D.*filename;' | sed -r 's/[[:space:]]+([[:digit:]]+)[[:space:]]+resul=
t->uptr.*/\1/')
>                 perf probe -q       "vfs_getname=3Dgetname_flags:${line} =
pathname=3Dresult->name:string" || \
>                 perf probe $verbose "vfs_getname=3Dgetname_flags:${line} =
pathname=3Dfilename:ustring"
>         fi
>  }
>
>  skip_if_no_debuginfo() {
> -       add_probe_vfs_getname -v 2>&1 | egrep -q "^(Failed to find the pa=
th for the kernel|Debuginfo-analysis is not supported)|(file has no debug i=
nformation)" && return 2
> +       add_probe_vfs_getname -v 2>&1 | grep -E -q "^(Failed to find the =
path for the kernel|Debuginfo-analysis is not supported)|(file has no debug=
 information)" && return 2
>         return 1
>  }
> diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tool=
s/perf/tests/shell/record+probe_libc_inet_pton.sh
> index f12a4e2..34c400c 100755
> --- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
> +++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
> @@ -64,7 +64,7 @@ trace_libc_inet_pton_backtrace() {
>         while read line <&3 && read -r pattern <&4; do
>                 [ -z "$pattern" ] && break
>                 echo $line
> -               echo "$line" | egrep -q "$pattern"
> +               echo "$line" | grep -E -q "$pattern"
>                 if [ $? -ne 0 ] ; then
>                         printf "FAIL: expected backtrace entry \"%s\" got=
 \"%s\"\n" "$pattern" "$line"
>                         return 1
> diff --git a/tools/perf/tests/shell/record+script_probe_vfs_getname.sh b/=
tools/perf/tests/shell/record+script_probe_vfs_getname.sh
> index 8d9c04e..7f83b27 100755
> --- a/tools/perf/tests/shell/record+script_probe_vfs_getname.sh
> +++ b/tools/perf/tests/shell/record+script_probe_vfs_getname.sh
> @@ -23,7 +23,7 @@ record_open_file() {
>  perf_script_filenames() {
>         echo "Looking at perf.data file for vfs_getname records for the f=
ile we touched:"
>         perf script -i ${perfdata} | \
> -       egrep " +touch +[0-9]+ +\[[0-9]+\] +[0-9]+\.[0-9]+: +probe:vfs_ge=
tname[_0-9]*: +\([[:xdigit:]]+\) +pathname=3D\"${file}\""
> +       grep -E " +touch +[0-9]+ +\[[0-9]+\] +[0-9]+\.[0-9]+: +probe:vfs_=
getname[_0-9]*: +\([[:xdigit:]]+\) +pathname=3D\"${file}\""
>  }
>
>  add_probe_vfs_getname || skip_if_no_debuginfo
> diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/re=
cord.sh
> index 301f954..2ad2d28 100755
> --- a/tools/perf/tests/shell/record.sh
> +++ b/tools/perf/tests/shell/record.sh
> @@ -36,7 +36,7 @@ test_per_thread() {
>      err=3D1
>      return
>    fi
> -  if ! perf report -i ${perfdata} -q | egrep -q true
> +  if ! perf report -i ${perfdata} -q | grep -E -q true
>    then
>      echo "Per-thread record [Failed missing output]"
>      err=3D1
> @@ -47,7 +47,7 @@ test_per_thread() {
>
>  test_register_capture() {
>    echo "Register capture test"
> -  if ! perf list | egrep -q 'br_inst_retired.near_call'
> +  if ! perf list | grep -E -q 'br_inst_retired.near_call'
>    then
>      echo "Register capture test [Skipped missing instruction]"
>      if [ $err -ne 1 ]
> @@ -56,7 +56,7 @@ test_register_capture() {
>      fi
>      return
>    fi
> -  if ! perf record --intr-regs=3D\? 2>&1 | egrep -q 'available registers=
: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10 R11 R12 R13 R14 R15'
> +  if ! perf record --intr-regs=3D\? 2>&1 | grep -E -q 'available registe=
rs: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10 R11 R12 R13 R14 R15'
>    then
>      echo "Register capture test [Skipped missing registers]"
>      return
> @@ -64,7 +64,7 @@ test_register_capture() {
>    if ! perf record -o - --intr-regs=3Ddi,r8,dx,cx -e br_inst_retired.nea=
r_call:p \
>      -c 1000 --per-thread true 2> /dev/null \
>      | perf script -F ip,sym,iregs -i - 2> /dev/null \
> -    | egrep -q "DI:"
> +    | grep -E -q "DI:"
>    then
>      echo "Register capture test [Failed missing output]"
>      err=3D1
> diff --git a/tools/perf/tests/shell/record_offcpu.sh b/tools/perf/tests/s=
hell/record_offcpu.sh
> index d2eba58..e01973d 100755
> --- a/tools/perf/tests/shell/record_offcpu.sh
> +++ b/tools/perf/tests/shell/record_offcpu.sh
> @@ -51,7 +51,7 @@ test_offcpu_basic() {
>      err=3D1
>      return
>    fi
> -  if ! perf report -i ${perfdata} -q --percent-limit=3D90 | egrep -q sle=
ep
> +  if ! perf report -i ${perfdata} -q --percent-limit=3D90 | grep -E -q s=
leep
>    then
>      echo "Basic off-cpu test [Failed missing output]"
>      err=3D1
> diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat=
.sh
> index 26a51b4..2c1d3f7 100755
> --- a/tools/perf/tests/shell/stat.sh
> +++ b/tools/perf/tests/shell/stat.sh
> @@ -7,7 +7,7 @@ set -e
>  err=3D0
>  test_default_stat() {
>    echo "Basic stat command test"
> -  if ! perf stat true 2>&1 | egrep -q "Performance counter stats for 'tr=
ue':"
> +  if ! perf stat true 2>&1 | grep -E -q "Performance counter stats for '=
true':"
>    then
>      echo "Basic stat command test [Failed]"
>      err=3D1
> @@ -19,7 +19,7 @@ test_default_stat() {
>  test_stat_record_report() {
>    echo "stat record and report test"
>    if ! perf stat record -o - true | perf stat report -i - 2>&1 | \
> -    egrep -q "Performance counter stats for 'pipe':"
> +    grep -E -q "Performance counter stats for 'pipe':"
>    then
>      echo "stat record and report test [Failed]"
>      err=3D1
> @@ -55,13 +55,13 @@ test_topdown_groups() {
>      echo "Topdown event group test [Skipped event parsing failed]"
>      return
>    fi
> -  if perf stat -e '{slots,topdown-retiring}' true 2>&1 | egrep -q "<not =
supported>"
> +  if perf stat -e '{slots,topdown-retiring}' true 2>&1 | grep -E -q "<no=
t supported>"
>    then
>      echo "Topdown event group test [Failed events not supported]"
>      err=3D1
>      return
>    fi
> -  if perf stat -e '{topdown-retiring,slots}' true 2>&1 | egrep -q "<not =
supported>"
> +  if perf stat -e '{topdown-retiring,slots}' true 2>&1 | grep -E -q "<no=
t supported>"
>    then
>      echo "Topdown event group test [Failed slots not reordered first]"
>      err=3D1
> @@ -82,7 +82,7 @@ test_topdown_weak_groups() {
>      return
>    fi
>    group_needs_break=3D"{slots,topdown-bad-spec,topdown-be-bound,topdown-=
fe-bound,topdown-retiring,branch-instructions,branch-misses,bus-cycles,cach=
e-misses,cache-references,cpu-cycles,instructions,mem-loads,mem-stores,ref-=
cycles,cache-misses,cache-references}:W"
> -  if perf stat --no-merge -e "$group_needs_break" true 2>&1 | egrep -q "=
<not supported>"
> +  if perf stat --no-merge -e "$group_needs_break" true 2>&1 | grep -E -q=
 "<not supported>"
>    then
>      echo "Topdown weak groups test [Failed events not supported]"
>      err=3D1
> diff --git a/tools/perf/tests/shell/test_arm_coresight.sh b/tools/perf/te=
sts/shell/test_arm_coresight.sh
> index daad786..565ce52 100755
> --- a/tools/perf/tests/shell/test_arm_coresight.sh
> +++ b/tools/perf/tests/shell/test_arm_coresight.sh
> @@ -49,7 +49,7 @@ perf_script_branch_samples() {
>         #   touch  6512          1         branches:u:      ffffb22082e0 =
strcmp+0xa0 (/lib/aarch64-linux-gnu/ld-2.27.so)
>         #   touch  6512          1         branches:u:      ffffb2208320 =
strcmp+0xe0 (/lib/aarch64-linux-gnu/ld-2.27.so)
>         perf script -F,-time -i ${perfdata} 2>&1 | \
> -               egrep " +$1 +[0-9]+ .* +branches:(.*:)? +" > /dev/null 2>=
&1
> +               grep -E " +$1 +[0-9]+ .* +branches:(.*:)? +" > /dev/null =
2>&1
>  }
>
>  perf_report_branch_samples() {
> @@ -60,7 +60,7 @@ perf_report_branch_samples() {
>         #    7.71%     7.71%  touch    libc-2.27.so      [.] getenv
>         #    2.59%     2.59%  touch    ld-2.27.so        [.] strcmp
>         perf report --stdio -i ${perfdata} 2>&1 | \
> -               egrep " +[0-9]+\.[0-9]+% +[0-9]+\.[0-9]+% +$1 " > /dev/nu=
ll 2>&1
> +               grep -E " +[0-9]+\.[0-9]+% +[0-9]+\.[0-9]+% +$1 " > /dev/=
null 2>&1
>  }
>
>  perf_report_instruction_samples() {
> @@ -71,7 +71,7 @@ perf_report_instruction_samples() {
>         #    5.80%  touch    libc-2.27.so   [.] getenv
>         #    4.35%  touch    ld-2.27.so     [.] _dl_fixup
>         perf report --itrace=3Di20i --stdio -i ${perfdata} 2>&1 | \
> -               egrep " +[0-9]+\.[0-9]+% +$1" > /dev/null 2>&1
> +               grep -E " +[0-9]+\.[0-9]+% +$1" > /dev/null 2>&1
>  }
>
>  arm_cs_report() {
> @@ -87,7 +87,7 @@ is_device_sink() {
>         # If the node of "enable_sink" is existed under the device path, =
this
>         # means the device is a sink device.  Need to exclude 'tpiu' sinc=
e it
>         # cannot support perf PMU.
> -       echo "$1" | egrep -q -v "tpiu"
> +       echo "$1" | grep -E -q -v "tpiu"
>
>         if [ $? -eq 0 -a -e "$1/enable_sink" ]; then
>
> diff --git a/tools/perf/tests/shell/test_arm_spe.sh b/tools/perf/tests/sh=
ell/test_arm_spe.sh
> index 0d47479..aa094d7 100755
> --- a/tools/perf/tests/shell/test_arm_spe.sh
> +++ b/tools/perf/tests/shell/test_arm_spe.sh
> @@ -9,7 +9,7 @@
>  # German Gomez <german.gomez@arm.com>, 2021
>
>  skip_if_no_arm_spe_event() {
> -       perf list | egrep -q 'arm_spe_[0-9]+//' && return 0
> +       perf list | grep -E -q 'arm_spe_[0-9]+//' && return 0
>
>         # arm_spe event doesn't exist
>         return 2
> @@ -51,7 +51,7 @@ perf_script_samples() {
>         #       dd  3048 [002]          1    tlb-access:      ffffaa64999=
c __GI___libc_write+0x3c (/lib/aarch64-linux-gnu/libc-2.27.so)
>         #       dd  3048 [002]          1        memory:      ffffaa64999=
c __GI___libc_write+0x3c (/lib/aarch64-linux-gnu/libc-2.27.so)
>         perf script -F,-time -i ${perfdata} 2>&1 | \
> -               egrep " +$1 +[0-9]+ .* +${events}:(.*:)? +" > /dev/null 2=
>&1
> +               grep -E " +$1 +[0-9]+ .* +${events}:(.*:)? +" > /dev/null=
 2>&1
>  }
>
>  perf_report_samples() {
> @@ -62,7 +62,7 @@ perf_report_samples() {
>         #    7.71%     7.71%  dd    libc-2.27.so      [.] getenv
>         #    2.59%     2.59%  dd    ld-2.27.so        [.] strcmp
>         perf report --stdio -i ${perfdata} 2>&1 | \
> -               egrep " +[0-9]+\.[0-9]+% +[0-9]+\.[0-9]+% +$1 " > /dev/nu=
ll 2>&1
> +               grep -E " +[0-9]+\.[0-9]+% +[0-9]+\.[0-9]+% +$1 " > /dev/=
null 2>&1
>  }
>
>  arm_spe_snapshot_test() {
> diff --git a/tools/perf/tests/shell/test_arm_spe_fork.sh b/tools/perf/tes=
ts/shell/test_arm_spe_fork.sh
> index c920d35..7528782 100755
> --- a/tools/perf/tests/shell/test_arm_spe_fork.sh
> +++ b/tools/perf/tests/shell/test_arm_spe_fork.sh
> @@ -5,7 +5,7 @@
>  # German Gomez <german.gomez@arm.com>, 2022
>
>  skip_if_no_arm_spe_event() {
> -       perf list | egrep -q 'arm_spe_[0-9]+//' && return 0
> +       perf list | grep -E -q 'arm_spe_[0-9]+//' && return 0
>         return 2
>  }
>
> diff --git a/tools/perf/tests/shell/test_brstack.sh b/tools/perf/tests/sh=
ell/test_brstack.sh
> index d7ff5c4..74117dd 100755
> --- a/tools/perf/tests/shell/test_brstack.sh
> +++ b/tools/perf/tests/shell/test_brstack.sh
> @@ -69,14 +69,14 @@ test_user_branches() {
>         #       foo+0x14/bar+0x40/P/-/-/0/CALL
>
>         set -x
> -       egrep -m1 "^bench\+[^ ]*/foo\+[^ ]*/IND_CALL$"  $TMPDIR/perf.scri=
pt
> -       egrep -m1 "^foo\+[^ ]*/bar\+[^ ]*/CALL$"        $TMPDIR/perf.scri=
pt
> -       egrep -m1 "^bench\+[^ ]*/foo\+[^ ]*/CALL$"      $TMPDIR/perf.scri=
pt
> -       egrep -m1 "^bench\+[^ ]*/bar\+[^ ]*/CALL$"      $TMPDIR/perf.scri=
pt
> -       egrep -m1 "^bar\+[^ ]*/foo\+[^ ]*/RET$"         $TMPDIR/perf.scri=
pt
> -       egrep -m1 "^foo\+[^ ]*/bench\+[^ ]*/RET$"       $TMPDIR/perf.scri=
pt
> -       egrep -m1 "^bench\+[^ ]*/bench\+[^ ]*/COND$"    $TMPDIR/perf.scri=
pt
> -       egrep -m1 "^main\+[^ ]*/main\+[^ ]*/UNCOND$"    $TMPDIR/perf.scri=
pt
> +       grep -E -m1 "^bench\+[^ ]*/foo\+[^ ]*/IND_CALL$"        $TMPDIR/p=
erf.script
> +       grep -E -m1 "^foo\+[^ ]*/bar\+[^ ]*/CALL$"              $TMPDIR/p=
erf.script
> +       grep -E -m1 "^bench\+[^ ]*/foo\+[^ ]*/CALL$"            $TMPDIR/p=
erf.script
> +       grep -E -m1 "^bench\+[^ ]*/bar\+[^ ]*/CALL$"            $TMPDIR/p=
erf.script
> +       grep -E -m1 "^bar\+[^ ]*/foo\+[^ ]*/RET$"               $TMPDIR/p=
erf.script
> +       grep -E -m1 "^foo\+[^ ]*/bench\+[^ ]*/RET$"             $TMPDIR/p=
erf.script
> +       grep -E -m1 "^bench\+[^ ]*/bench\+[^ ]*/COND$"          $TMPDIR/p=
erf.script
> +       grep -E -m1 "^main\+[^ ]*/main\+[^ ]*/UNCOND$"          $TMPDIR/p=
erf.script
>         set +x
>
>         # some branch types are still not being tested:
> @@ -99,7 +99,7 @@ test_filter() {
>
>         # fail if we find any branch type that doesn't match any of the e=
xpected ones
>         # also consider UNKNOWN branch types (-)
> -       if egrep -vm1 "^[^ ]*/($expect|-|( *))$" $TMPDIR/perf.script; the=
n
> +       if grep -E -vm1 "^[^ ]*/($expect|-|( *))$" $TMPDIR/perf.script; t=
hen
>                 return 1
>         fi
>  }
> diff --git a/tools/perf/tests/shell/test_data_symbol.sh b/tools/perf/test=
s/shell/test_data_symbol.sh
> index cd6eb54..e6a60b9 100755
> --- a/tools/perf/tests/shell/test_data_symbol.sh
> +++ b/tools/perf/tests/shell/test_data_symbol.sh
> @@ -5,7 +5,7 @@
>  # Leo Yan <leo.yan@linaro.org>, 2022
>
>  skip_if_no_mem_event() {
> -       perf mem record -e list 2>&1 | egrep -q 'available' && return 0
> +       perf mem record -e list 2>&1 | grep -E -q 'available' && return 0
>         return 2
>  }
>
> @@ -75,7 +75,7 @@ echo "Recording workload..."
>  # perf mem/c2c internally uses IBS PMU on AMD CPU which doesn't support
>  # user/kernel filtering and per-process monitoring, spin program on
>  # specific CPU and test in per-CPU mode.
> -is_amd=3D$(egrep -c 'vendor_id.*AuthenticAMD' /proc/cpuinfo)
> +is_amd=3D$(grep -E -c 'vendor_id.*AuthenticAMD' /proc/cpuinfo)
>  if (($is_amd >=3D 1)); then
>         perf mem record -o ${PERF_DATA} -C 0 -- taskset -c 0 $TEST_PROGRA=
M &
>  else
> diff --git a/tools/perf/tests/shell/test_java_symbol.sh b/tools/perf/test=
s/shell/test_java_symbol.sh
> index f221225..90cea88 100755
> --- a/tools/perf/tests/shell/test_java_symbol.sh
> +++ b/tools/perf/tests/shell/test_java_symbol.sh
> @@ -65,7 +65,7 @@ fi
>  #   8.18%  jshell           jitted-50116-29.so    [.] Interpreter
>  #   0.75%  Thread-1         jitted-83602-1670.so  [.] jdk.internal.jimag=
e.BasicImageReader.getString(int)
>  perf report --stdio -i ${PERF_INJ_DATA} 2>&1 | \
> -       egrep " +[0-9]+\.[0-9]+% .* (Interpreter|jdk\.internal).*" > /dev=
/null 2>&1
> +       grep -E " +[0-9]+\.[0-9]+% .* (Interpreter|jdk\.internal).*" > /d=
ev/null 2>&1
>
>  if [ $? -ne 0 ]; then
>         echo "Fail to find java symbols"
> diff --git a/tools/perf/tests/shell/trace+probe_vfs_getname.sh b/tools/pe=
rf/tests/shell/trace+probe_vfs_getname.sh
> index 3d60e99..0a4bac3 100755
> --- a/tools/perf/tests/shell/trace+probe_vfs_getname.sh
> +++ b/tools/perf/tests/shell/trace+probe_vfs_getname.sh
> @@ -18,9 +18,9 @@ skip_if_no_perf_trace || exit 2
>  . $(dirname $0)/lib/probe_vfs_getname.sh
>
>  trace_open_vfs_getname() {
> -       evts=3D$(echo $(perf list syscalls:sys_enter_open* 2>/dev/null | =
egrep 'open(at)? ' | sed -r 's/.*sys_enter_([a-z]+) +\[.*$/\1/') | sed 's/ =
/,/')
> +       evts=3D$(echo $(perf list syscalls:sys_enter_open* 2>/dev/null | =
grep -E 'open(at)? ' | sed -r 's/.*sys_enter_([a-z]+) +\[.*$/\1/') | sed 's=
/ /,/')
>         perf trace -e $evts touch $file 2>&1 | \
> -       egrep " +[0-9]+\.[0-9]+ +\( +[0-9]+\.[0-9]+ ms\): +touch\/[0-9]+ =
open(at)?\((dfd: +CWD, +)?filename: +${file}, +flags: CREAT\|NOCTTY\|NONBLO=
CK\|WRONLY, +mode: +IRUGO\|IWUGO\) +=3D +[0-9]+$"
> +       grep -E " +[0-9]+\.[0-9]+ +\( +[0-9]+\.[0-9]+ ms\): +touch\/[0-9]=
+ open(at)?\((dfd: +CWD, +)?filename: +${file}, +flags: CREAT\|NOCTTY\|NONB=
LOCK\|WRONLY, +mode: +IRUGO\|IWUGO\) +=3D +[0-9]+$"
>  }
>
>
> diff --git a/tools/perf/trace/beauty/fadvise.sh b/tools/perf/trace/beauty=
/fadvise.sh
> index b15ae38..4d3dd6e 100755
> --- a/tools/perf/trace/beauty/fadvise.sh
> +++ b/tools/perf/trace/beauty/fadvise.sh
> @@ -6,7 +6,7 @@
>  printf "static const char *fadvise_advices[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+POSIX_FADV_(\w+)[[:=
space:]]+([[:digit:]]+)[[:space:]]+.*'
>
> -egrep $regex ${header_dir}/fadvise.h | \
> +grep -E $regex ${header_dir}/fadvise.h | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         sort | xargs printf "\t[%s] =3D \"%s\",\n" | \
>         grep -v "[6].*DONTNEED" | grep -v "[7].*NOREUSE"
> diff --git a/tools/perf/trace/beauty/fsmount.sh b/tools/perf/trace/beauty=
/fsmount.sh
> index 615cc0f..cba8897 100755
> --- a/tools/perf/trace/beauty/fsmount.sh
> +++ b/tools/perf/trace/beauty/fsmount.sh
> @@ -16,7 +16,7 @@ linux_mount=3D${linux_header_dir}/mount.h
>
>  printf "static const char *fsmount_attr_flags[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+MOUNT_ATTR_([[:alnu=
m:]][[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'
> -egrep $regex ${linux_mount} | grep -v MOUNT_ATTR_RELATIME | \
> +grep -E $regex ${linux_mount} | grep -v MOUNT_ATTR_RELATIME | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         xargs printf "\t[ilog2(%s) + 1] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/fspick.sh b/tools/perf/trace/beauty/=
fspick.sh
> index b220e07..1f08832 100755
> --- a/tools/perf/trace/beauty/fspick.sh
> +++ b/tools/perf/trace/beauty/fspick.sh
> @@ -11,7 +11,7 @@ linux_mount=3D${linux_header_dir}/mount.h
>
>  printf "static const char *fspick_flags[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+FSPICK_([[:alnum:]_=
]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'
> -egrep $regex ${linux_mount} | \
> +grep -E $regex ${linux_mount} | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         xargs printf "\t[ilog2(%s) + 1] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/kcmp_type.sh b/tools/perf/trace/beau=
ty/kcmp_type.sh
> index df8b174..5df9dcb 100755
> --- a/tools/perf/trace/beauty/kcmp_type.sh
> +++ b/tools/perf/trace/beauty/kcmp_type.sh
> @@ -5,7 +5,7 @@
>
>  printf "static const char *kcmp_types[] =3D {\n"
>  regex=3D'^[[:space:]]+(KCMP_(\w+)),'
> -egrep $regex ${header_dir}/kcmp.h | grep -v KCMP_TYPES, | \
> +grep -E $regex ${header_dir}/kcmp.h | grep -v KCMP_TYPES, | \
>         sed -r "s/$regex/\1 \2/g" | \
>         xargs printf "\t[%s]\t=3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/kvm_ioctl.sh b/tools/perf/trace/beau=
ty/kvm_ioctl.sh
> index 4ce54f5..bd0efd4 100755
> --- a/tools/perf/trace/beauty/kvm_ioctl.sh
> +++ b/tools/perf/trace/beauty/kvm_ioctl.sh
> @@ -5,8 +5,8 @@
>
>  printf "static const char *kvm_ioctl_cmds[] =3D {\n"
>  regex=3D'^#[[:space:]]*define[[:space:]]+KVM_(\w+)[[:space:]]+_IO[RW]*\(=
[[:space:]]*KVMIO[[:space:]]*,[[:space:]]*(0x[[:xdigit:]]+).*'
> -egrep $regex ${header_dir}/kvm.h       | \
> +grep -E $regex ${header_dir}/kvm.h     | \
>         sed -r "s/$regex/\2 \1/g"       | \
> -       egrep -v " ((ARM|PPC|S390)_|[GS]ET_(DEBUGREGS|PIT2|XSAVE|TSC_KHZ)=
|CREATE_SPAPR_TCE_64)" | \
> +       grep -E -v " ((ARM|PPC|S390)_|[GS]ET_(DEBUGREGS|PIT2|XSAVE|TSC_KH=
Z)|CREATE_SPAPR_TCE_64)" | \
>         sort | xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/madvise_behavior.sh b/tools/perf/tra=
ce/beauty/madvise_behavior.sh
> index 4527d29..c659c33 100755
> --- a/tools/perf/trace/beauty/madvise_behavior.sh
> +++ b/tools/perf/trace/beauty/madvise_behavior.sh
> @@ -5,7 +5,7 @@
>
>  printf "static const char *madvise_advices[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+MADV_([[:alnum:]_]+=
)[[:space:]]+([[:digit:]]+)[[:space:]]*.*'
> -egrep $regex ${header_dir}/mman-common.h | \
> +grep -E $regex ${header_dir}/mman-common.h | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         sort -n | xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/mmap_flags.sh b/tools/perf/trace/bea=
uty/mmap_flags.sh
> index 7682571..3022597 100755
> --- a/tools/perf/trace/beauty/mmap_flags.sh
> +++ b/tools/perf/trace/beauty/mmap_flags.sh
> @@ -15,26 +15,26 @@ fi
>  linux_mman=3D${linux_header_dir}/mman.h
>  arch_mman=3D${arch_header_dir}/mman.h
>
> -# those in egrep -vw are flags, we want just the bits
> +# those in grep -E -vw are flags, we want just the bits
>
>  printf "static const char *mmap_flags[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+MAP_([[:alnum:]_]+)=
[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'
> -egrep -q $regex ${arch_mman} && \
> -(egrep $regex ${arch_mman} | \
> +grep -E -q $regex ${arch_mman} && \
> +(grep -E $regex ${arch_mman} | \
>         sed -r "s/$regex/\2 \1 \1 \1 \2/g"      | \
>         xargs printf "\t[ilog2(%s) + 1] =3D \"%s\",\n#ifndef MAP_%s\n#def=
ine MAP_%s %s\n#endif\n")
> -egrep -q $regex ${linux_mman} && \
> -(egrep $regex ${linux_mman} | \
> -       egrep -vw 'MAP_(UNINITIALIZED|TYPE|SHARED_VALIDATE)' | \
> +grep -E -q $regex ${linux_mman} && \
> +(grep -E $regex ${linux_mman} | \
> +       grep -E -vw 'MAP_(UNINITIALIZED|TYPE|SHARED_VALIDATE)' | \
>         sed -r "s/$regex/\2 \1 \1 \1 \2/g" | \
>         xargs printf "\t[ilog2(%s) + 1] =3D \"%s\",\n#ifndef MAP_%s\n#def=
ine MAP_%s %s\n#endif\n")
> -([ ! -f ${arch_mman} ] || egrep -q '#[[:space:]]*include[[:space:]]+.*ua=
pi/asm-generic/mman.*' ${arch_mman}) &&
> -(egrep $regex ${header_dir}/mman-common.h | \
> -       egrep -vw 'MAP_(UNINITIALIZED|TYPE|SHARED_VALIDATE)' | \
> +([ ! -f ${arch_mman} ] || grep -E -q '#[[:space:]]*include[[:space:]]+.*=
uapi/asm-generic/mman.*' ${arch_mman}) &&
> +(grep -E $regex ${header_dir}/mman-common.h | \
> +       grep -E -vw 'MAP_(UNINITIALIZED|TYPE|SHARED_VALIDATE)' | \
>         sed -r "s/$regex/\2 \1 \1 \1 \2/g"      | \
>         xargs printf "\t[ilog2(%s) + 1] =3D \"%s\",\n#ifndef MAP_%s\n#def=
ine MAP_%s %s\n#endif\n")
> -([ ! -f ${arch_mman} ] || egrep -q '#[[:space:]]*include[[:space:]]+.*ua=
pi/asm-generic/mman.h>.*' ${arch_mman}) &&
> -(egrep $regex ${header_dir}/mman.h | \
> +([ ! -f ${arch_mman} ] || grep -E -q '#[[:space:]]*include[[:space:]]+.*=
uapi/asm-generic/mman.h>.*' ${arch_mman}) &&
> +(grep -E $regex ${header_dir}/mman.h | \
>         sed -r "s/$regex/\2 \1 \1 \1 \2/g"      | \
>         xargs printf "\t[ilog2(%s) + 1] =3D \"%s\",\n#ifndef MAP_%s\n#def=
ine MAP_%s %s\n#endif\n")
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/mmap_prot.sh b/tools/perf/trace/beau=
ty/mmap_prot.sh
> index 664d8d5..49e8c86 100755
> --- a/tools/perf/trace/beauty/mmap_prot.sh
> +++ b/tools/perf/trace/beauty/mmap_prot.sh
> @@ -17,14 +17,14 @@ prefix=3D"PROT"
>
>  printf "static const char *mmap_prot[] =3D {\n"
>  regex=3D`printf '^[[:space:]]*#[[:space:]]*define[[:space:]]+%s_([[:alnu=
m:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*' ${prefix}`
> -([ ! -f ${arch_mman} ] || egrep -q '#[[:space:]]*include[[:space:]]+.*ua=
pi/asm-generic/mman.*' ${arch_mman}) &&
> -(egrep $regex ${common_mman} | \
> -       egrep -vw PROT_NONE | \
> +([ ! -f ${arch_mman} ] || grep -E -q '#[[:space:]]*include[[:space:]]+.*=
uapi/asm-generic/mman.*' ${arch_mman}) &&
> +(grep -E $regex ${common_mman} | \
> +       grep -E -vw PROT_NONE | \
>         sed -r "s/$regex/\2 \1 \1 \1 \2/g"      | \
>         xargs printf "\t[ilog2(%s) + 1] =3D \"%s\",\n#ifndef ${prefix}_%s=
\n#define ${prefix}_%s %s\n#endif\n")
> -[ -f ${arch_mman} ] && egrep -q $regex ${arch_mman} &&
> -(egrep $regex ${arch_mman} | \
> -       egrep -vw PROT_NONE | \
> +[ -f ${arch_mman} ] && grep -E -q $regex ${arch_mman} &&
> +(grep -E $regex ${arch_mman} | \
> +       grep -E -vw PROT_NONE | \
>         sed -r "s/$regex/\2 \1 \1 \1 \2/g"      | \
>         xargs printf "\t[ilog2(%s) + 1] =3D \"%s\",\n#ifndef ${prefix}_%s=
\n#define ${prefix}_%s %s\n#endif\n")
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/mount_flags.sh b/tools/perf/trace/be=
auty/mount_flags.sh
> index 847850b..730099a 100755
> --- a/tools/perf/trace/beauty/mount_flags.sh
> +++ b/tools/perf/trace/beauty/mount_flags.sh
> @@ -5,11 +5,11 @@
>
>  printf "static const char *mount_flags[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+MS_([[:alnum:]_]+)[=
[:space:]]+([[:digit:]]+)[[:space:]]*.*'
> -egrep $regex ${header_dir}/mount.h | egrep -v '(MSK|VERBOSE|MGC_VAL)\>' =
| \
> +grep -E $regex ${header_dir}/mount.h | grep -E -v '(MSK|VERBOSE|MGC_VAL)=
\>' | \
>         sed -r "s/$regex/\2 \2 \1/g" | sort -n | \
>         xargs printf "\t[%s ? (ilog2(%s) + 1) : 0] =3D \"%s\",\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+MS_([[:alnum:]_]+)[=
[:space:]]+\(1<<([[:digit:]]+)\)[[:space:]]*.*'
> -egrep $regex ${header_dir}/mount.h | \
> +grep -E $regex ${header_dir}/mount.h | \
>         sed -r "s/$regex/\2 \1/g" | \
>         xargs printf "\t[%s + 1] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/move_mount_flags.sh b/tools/perf/tra=
ce/beauty/move_mount_flags.sh
> index 4b1d9ac..32e552f 100755
> --- a/tools/perf/trace/beauty/move_mount_flags.sh
> +++ b/tools/perf/trace/beauty/move_mount_flags.sh
> @@ -11,7 +11,7 @@ linux_mount=3D${linux_header_dir}/mount.h
>
>  printf "static const char *move_mount_flags[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+MOVE_MOUNT_([^_]+_[=
[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'
> -egrep $regex ${linux_mount} | \
> +grep -E $regex ${linux_mount} | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         xargs printf "\t[ilog2(%s) + 1] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/mremap_flags.sh b/tools/perf/trace/b=
eauty/mremap_flags.sh
> index d581823..4d01835 100755
> --- a/tools/perf/trace/beauty/mremap_flags.sh
> +++ b/tools/perf/trace/beauty/mremap_flags.sh
> @@ -11,8 +11,8 @@ linux_mman=3D${linux_header_dir}/mman.h
>
>  printf "static const char *mremap_flags[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+MREMAP_([[:alnum:]_=
]+)[[:space:]]+((0x)?[[:xdigit:]]+)[[:space:]]*.*'
> -egrep -q $regex ${linux_mman} && \
> -(egrep $regex ${linux_mman} | \
> +grep -E -q $regex ${linux_mman} && \
> +(grep -E $regex ${linux_mman} | \
>         sed -r "s/$regex/\2 \1 \1 \1 \2/g"      | \
>         xargs printf "\t[ilog2(%s) + 1] =3D \"%s\",\n#ifndef MREMAP_%s\n#=
define MREMAP_%s %s\n#endif\n")
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/perf_ioctl.sh b/tools/perf/trace/bea=
uty/perf_ioctl.sh
> index 9aabd97..06c2774 100755
> --- a/tools/perf/trace/beauty/perf_ioctl.sh
> +++ b/tools/perf/trace/beauty/perf_ioctl.sh
> @@ -5,7 +5,7 @@
>
>  printf "static const char *perf_ioctl_cmds[] =3D {\n"
>  regex=3D'^#[[:space:]]*define[[:space:]]+PERF_EVENT_IOC_(\w+)[[:space:]]=
+_IO[RW]*[[:space:]]*\([[:space:]]*.\$.[[:space:]]*,[[:space:]]*([[:digit:]=
]+).*'
> -egrep $regex ${header_dir}/perf_event.h        | \
> +grep -E $regex ${header_dir}/perf_event.h      | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         sort | xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/pkey_alloc_access_rights.sh b/tools/=
perf/trace/beauty/pkey_alloc_access_rights.sh
> index f8f1b56..74da888 100755
> --- a/tools/perf/trace/beauty/pkey_alloc_access_rights.sh
> +++ b/tools/perf/trace/beauty/pkey_alloc_access_rights.sh
> @@ -5,7 +5,7 @@
>
>  printf "static const char *pkey_alloc_access_rights[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+PKEY_([[:alnum:]_]+=
)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*'
> -egrep $regex ${header_dir}/mman-common.h       | \
> +grep -E $regex ${header_dir}/mman-common.h     | \
>         sed -r "s/$regex/\2 \2 \1/g"    | \
>         sort | xargs printf "\t[%s ? (ilog2(%s) + 1) : 0] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/prctl_option.sh b/tools/perf/trace/b=
eauty/prctl_option.sh
> index 3d27878..8059342 100755
> --- a/tools/perf/trace/beauty/prctl_option.sh
> +++ b/tools/perf/trace/beauty/prctl_option.sh
> @@ -5,14 +5,14 @@
>
>  printf "static const char *prctl_options[] =3D {\n"
>  regex=3D'^#define[[:space:]]{1}PR_(\w+)[[:space:]]*([[:xdigit:]]+)([[:sp=
ace:]]*\/.*)?$'
> -egrep $regex ${header_dir}/prctl.h | grep -v PR_SET_PTRACER | \
> +grep -E $regex ${header_dir}/prctl.h | grep -v PR_SET_PTRACER | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         sort -n | xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n"
>
>  printf "static const char *prctl_set_mm_options[] =3D {\n"
>  regex=3D'^#[[:space:]]+define[[:space:]]+PR_SET_MM_(\w+)[[:space:]]*([[:=
digit:]]+).*'
> -egrep $regex ${header_dir}/prctl.h | \
> +grep -E $regex ${header_dir}/prctl.h | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         sort -n | xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/rename_flags.sh b/tools/perf/trace/b=
eauty/rename_flags.sh
> index 54c87c7..94bf7f4 100755
> --- a/tools/perf/trace/beauty/rename_flags.sh
> +++ b/tools/perf/trace/beauty/rename_flags.sh
> @@ -8,8 +8,8 @@ fs_header=3D${header_dir}/fs.h
>
>  printf "static const char *rename_flags[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+RENAME_([[:alnum:]_=
]+)[[:space:]]+\(1[[:space:]]*<<[[:space:]]*([[:xdigit:]]+)[[:space:]]*\)[[=
:space:]]*.*'
> -egrep -q $regex ${fs_header} && \
> -(egrep $regex ${fs_header} | \
> +grep -E -q $regex ${fs_header} && \
> +(grep -E $regex ${fs_header} | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         xargs printf "\t[%d + 1] =3D \"%s\",\n")
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/sockaddr.sh b/tools/perf/trace/beaut=
y/sockaddr.sh
> index 3820e5c..a59827e 100755
> --- a/tools/perf/trace/beauty/sockaddr.sh
> +++ b/tools/perf/trace/beauty/sockaddr.sh
> @@ -17,8 +17,8 @@ printf "static const char *socket_families[] =3D {\n"
>  # #define AF_LOCAL     1       /* POSIX name for AF_UNIX       */
>  regex=3D'^#define[[:space:]]+AF_(\w+)[[:space:]]+([[:digit:]]+).*'
>
> -egrep $regex ${header_dir}/socket.h | \
> +grep -E $regex ${header_dir}/socket.h | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         xargs printf "\t[%s] =3D \"%s\",\n" | \
> -       egrep -v "\"(UNIX|MAX)\""
> +       grep -E -v "\"(UNIX|MAX)\""
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/socket.sh b/tools/perf/trace/beauty/=
socket.sh
> index 76330ac..8bc7ba62 100755
> --- a/tools/perf/trace/beauty/socket.sh
> +++ b/tools/perf/trace/beauty/socket.sh
> @@ -12,7 +12,7 @@ fi
>  printf "static const char *socket_ipproto[] =3D {\n"
>  ipproto_regex=3D'^[[:space:]]+IPPROTO_(\w+)[[:space:]]+=3D[[:space:]]+([=
[:digit:]]+),.*'
>
> -egrep $ipproto_regex ${uapi_header_dir}/in.h | \
> +grep -E $ipproto_regex ${uapi_header_dir}/in.h | \
>         sed -r "s/$ipproto_regex/\2 \1/g"       | \
>         sort -n | xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n\n"
> @@ -20,7 +20,7 @@ printf "};\n\n"
>  printf "static const char *socket_level[] =3D {\n"
>  socket_level_regex=3D'^#define[[:space:]]+SOL_(\w+)[[:space:]]+([[:digit=
:]]+)([[:space:]]+\/.*)?'
>
> -egrep $socket_level_regex ${beauty_header_dir}/socket.h | \
> +grep -E $socket_level_regex ${beauty_header_dir}/socket.h | \
>         sed -r "s/$socket_level_regex/\2 \1/g"  | \
>         sort -n | xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n\n"
> diff --git a/tools/perf/trace/beauty/sync_file_range.sh b/tools/perf/trac=
e/beauty/sync_file_range.sh
> index 7a9282d..90bf633 100755
> --- a/tools/perf/trace/beauty/sync_file_range.sh
> +++ b/tools/perf/trace/beauty/sync_file_range.sh
> @@ -11,7 +11,7 @@ linux_fs=3D${linux_header_dir}/fs.h
>
>  printf "static const char *sync_file_range_flags[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+SYNC_FILE_RANGE_([[=
:alnum:]_]+)[[:space:]]+([[:xdigit:]]+)[[:space:]]*.*'
> -egrep $regex ${linux_fs} | \
> +grep -E $regex ${linux_fs} | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         xargs printf "\t[ilog2(%s) + 1] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/tracepoints/x86_irq_vectors.sh b/too=
ls/perf/trace/beauty/tracepoints/x86_irq_vectors.sh
> index f920003..eed9ce0 100755
> --- a/tools/perf/trace/beauty/tracepoints/x86_irq_vectors.sh
> +++ b/tools/perf/trace/beauty/tracepoints/x86_irq_vectors.sh
> @@ -15,12 +15,12 @@ x86_irq_vectors=3D${arch_x86_header_dir}/irq_vectors.=
h
>  # the time of writing of this script was: IRQ_MOVE_CLEANUP_VECTOR.
>
>  first_external_regex=3D'^#define[[:space:]]+FIRST_EXTERNAL_VECTOR[[:spac=
e:]]+(0x[[:xdigit:]]+)$'
> -first_external_vector=3D$(egrep ${first_external_regex} ${x86_irq_vector=
s} | sed -r "s/${first_external_regex}/\1/g")
> +first_external_vector=3D$(grep -E ${first_external_regex} ${x86_irq_vect=
ors} | sed -r "s/${first_external_regex}/\1/g")
>
>  printf "static const char *x86_irq_vectors[] =3D {\n"
>  regex=3D'^#define[[:space:]]+([[:alnum:]_]+)_VECTOR[[:space:]]+(0x[[:xdi=
git:]]+)$'
>  sed -r "s/FIRST_EXTERNAL_VECTOR/${first_external_vector}/g" ${x86_irq_ve=
ctors} | \
> -egrep ${regex} | \
> +grep -E ${regex} | \
>         sed -r "s/${regex}/\2 \1/g" | sort -n | \
>         xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n\n"
> diff --git a/tools/perf/trace/beauty/tracepoints/x86_msr.sh b/tools/perf/=
trace/beauty/tracepoints/x86_msr.sh
> index 9b0614a..0078689 100755
> --- a/tools/perf/trace/beauty/tracepoints/x86_msr.sh
> +++ b/tools/perf/trace/beauty/tracepoints/x86_msr.sh
> @@ -15,7 +15,7 @@ x86_msr_index=3D${arch_x86_header_dir}/msr-index.h
>
>  printf "static const char *x86_MSRs[] =3D {\n"
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:=
alnum:]_]+)[[:space:]]+(0x00000[[:xdigit:]]+)[[:space:]]*.*'
> -egrep $regex ${x86_msr_index} | egrep -v 'MSR_(ATOM|P[46]|IA32_(TSC_DEAD=
LINE|UCODE_REV)|IDT_FCR4)' | \
> +grep -E $regex ${x86_msr_index} | grep -E -v 'MSR_(ATOM|P[46]|IA32_(TSC_=
DEADLINE|UCODE_REV)|IDT_FCR4)' | \
>         sed -r "s/$regex/\2 \1/g" | sort -n | \
>         xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n\n"
> @@ -23,18 +23,18 @@ printf "};\n\n"
>  # Remove MSR_K6_WHCR, clashes with MSR_LSTAR
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:=
alnum:]_]+)[[:space:]]+(0xc0000[[:xdigit:]]+)[[:space:]]*.*'
>  printf "#define x86_64_specific_MSRs_offset "
> -egrep $regex ${x86_msr_index} | sed -r "s/$regex/\2/g" | sort -n | head =
-1
> +grep -E $regex ${x86_msr_index} | sed -r "s/$regex/\2/g" | sort -n | hea=
d -1
>  printf "static const char *x86_64_specific_MSRs[] =3D {\n"
> -egrep $regex ${x86_msr_index} | \
> -       sed -r "s/$regex/\2 \1/g" | egrep -vw 'K6_WHCR' | sort -n | \
> +grep -E $regex ${x86_msr_index} | \
> +       sed -r "s/$regex/\2 \1/g" | grep -E -vw 'K6_WHCR' | sort -n | \
>         xargs printf "\t[%s - x86_64_specific_MSRs_offset] =3D \"%s\",\n"
>  printf "};\n\n"
>
>  regex=3D'^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:=
alnum:]_]+)[[:space:]]+(0xc0010[[:xdigit:]]+)[[:space:]]*.*'
>  printf "#define x86_AMD_V_KVM_MSRs_offset "
> -egrep $regex ${x86_msr_index} | sed -r "s/$regex/\2/g" | sort -n | head =
-1
> +grep -E $regex ${x86_msr_index} | sed -r "s/$regex/\2/g" | sort -n | hea=
d -1
>  printf "static const char *x86_AMD_V_KVM_MSRs[] =3D {\n"
> -egrep $regex ${x86_msr_index} | \
> +grep -E $regex ${x86_msr_index} | \
>         sed -r "s/$regex/\2 \1/g" | sort -n | \
>         xargs printf "\t[%s - x86_AMD_V_KVM_MSRs_offset] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/usbdevfs_ioctl.sh b/tools/perf/trace=
/beauty/usbdevfs_ioctl.sh
> index aa597ae..b39cfb3 100755
> --- a/tools/perf/trace/beauty/usbdevfs_ioctl.sh
> +++ b/tools/perf/trace/beauty/usbdevfs_ioctl.sh
> @@ -8,14 +8,14 @@
>
>  printf "static const char *usbdevfs_ioctl_cmds[] =3D {\n"
>  regex=3D"^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)(\(\w+\))?[[:spac=
e:]]+_IO[CWR]{0,2}\([[:space:]]*(_IOC_\w+,[[:space:]]*)?'U'[[:space:]]*,[[:=
space:]]*([[:digit:]]+).*"
> -egrep "$regex" ${header_dir}/usbdevice_fs.h | egrep -v 'USBDEVFS_\w+32[[=
:space:]]' | \
> +grep -E "$regex" ${header_dir}/usbdevice_fs.h | grep -E -v 'USBDEVFS_\w+=
32[[:space:]]' | \
>         sed -r "s/$regex/\4 \1/g"       | \
>         sort | xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n\n"
>  printf "#if 0\n"
>  printf "static const char *usbdevfs_ioctl_32_cmds[] =3D {\n"
>  regex=3D"^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)[[:space:]]+_IO[W=
R]{0,2}\([[:space:]]*'U'[[:space:]]*,[[:space:]]*([[:digit:]]+).*"
> -egrep $regex ${header_dir}/usbdevice_fs.h | egrep 'USBDEVFS_\w+32[[:spac=
e:]]' | \
> +grep -E $regex ${header_dir}/usbdevice_fs.h | grep -E 'USBDEVFS_\w+32[[:=
space:]]' | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         sort | xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/vhost_virtio_ioctl.sh b/tools/perf/t=
race/beauty/vhost_virtio_ioctl.sh
> index 439773d..2dd0a3b 100755
> --- a/tools/perf/trace/beauty/vhost_virtio_ioctl.sh
> +++ b/tools/perf/trace/beauty/vhost_virtio_ioctl.sh
> @@ -5,14 +5,14 @@
>
>  printf "static const char *vhost_virtio_ioctl_cmds[] =3D {\n"
>  regex=3D'^#[[:space:]]*define[[:space:]]+VHOST_(\w+)[[:space:]]+_IOW?\([=
[:space:]]*VHOST_VIRTIO[[:space:]]*,[[:space:]]*(0x[[:xdigit:]]+).*'
> -egrep $regex ${header_dir}/vhost.h | \
> +grep -E $regex ${header_dir}/vhost.h | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         sort | xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n"
>
>  printf "static const char *vhost_virtio_ioctl_read_cmds[] =3D {\n"
>  regex=3D'^#[[:space:]]*define[[:space:]]+VHOST_(\w+)[[:space:]]+_IOW?R\(=
[[:space:]]*VHOST_VIRTIO[[:space:]]*,[[:space:]]*(0x[[:xdigit:]]+).*'
> -egrep $regex ${header_dir}/vhost.h | \
> +grep -E $regex ${header_dir}/vhost.h | \
>         sed -r "s/$regex/\2 \1/g"       | \
>         sort | xargs printf "\t[%s] =3D \"%s\",\n"
>  printf "};\n"
> diff --git a/tools/perf/trace/beauty/x86_arch_prctl.sh b/tools/perf/trace=
/beauty/x86_arch_prctl.sh
> index 7372d3c..57fa6aa 100755
> --- a/tools/perf/trace/beauty/x86_arch_prctl.sh
> +++ b/tools/perf/trace/beauty/x86_arch_prctl.sh
> @@ -15,8 +15,8 @@ print_range () {
>         printf "static const char *x86_arch_prctl_codes_%d[] =3D {\n" $id=
x
>         regex=3D`printf '^[[:space:]]*#[[:space:]]*define[[:space:]]+ARCH=
_([[:alnum:]_]+)[[:space:]]+(%s[[:xdigit:]]+).*' ${prefix}`
>         fmt=3D"\t[%#x - ${first_entry}]=3D \"%s\",\n"
> -       egrep -q $regex ${prctl_arch_header} && \
> -       (egrep $regex ${prctl_arch_header} | \
> +       grep -E -q $regex ${prctl_arch_header} && \
> +       (grep -E $regex ${prctl_arch_header} | \
>                 sed -r "s/$regex/\2 \1/g"       | \
>                 xargs printf "$fmt")
>         printf "};\n\n"
> --
> 2.1.0
>