Move evsel::open_flags to perf_evsel::open_flags, so we can move
the open_flags interface to libperf.
Signed-off-by: Shunsuke Nakamura <[email protected]>
---
tools/lib/perf/evsel.c | 3 ++-
tools/lib/perf/include/internal/evsel.h | 2 ++
tools/perf/util/evsel.c | 16 +++++++++-------
tools/perf/util/evsel.h | 1 -
4 files changed, 13 insertions(+), 9 deletions(-)
diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c
index 210ea7c06ce8..6640a333e6d9 100644
--- a/tools/lib/perf/evsel.c
+++ b/tools/lib/perf/evsel.c
@@ -26,6 +26,7 @@ void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr,
evsel->attr = *attr;
evsel->idx = idx;
evsel->leader = evsel;
+ evsel->open_flags = 0;
}
struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
@@ -158,7 +159,7 @@ int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,
fd = sys_perf_event_open(&evsel->attr,
threads->map[thread].pid,
- cpu, group_fd, 0);
+ cpu, group_fd, evsel->open_flags);
if (fd < 0)
return -errno;
diff --git a/tools/lib/perf/include/internal/evsel.h b/tools/lib/perf/include/internal/evsel.h
index cfc9ebd7968e..37a99cf261b3 100644
--- a/tools/lib/perf/include/internal/evsel.h
+++ b/tools/lib/perf/include/internal/evsel.h
@@ -51,6 +51,8 @@ struct perf_evsel {
int nr_members;
bool system_wide;
int idx;
+
+ unsigned long open_flags;
};
void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr,
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 22d3267ce294..52c34552ee76 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1794,9 +1794,9 @@ static int __evsel__prepare_open(struct evsel *evsel, struct perf_cpu_map *cpus,
perf_evsel__alloc_fd(&evsel->core, perf_cpu_map__nr(cpus), nthreads) < 0)
return -ENOMEM;
- evsel->open_flags = PERF_FLAG_FD_CLOEXEC;
+ evsel->core.open_flags = PERF_FLAG_FD_CLOEXEC;
if (evsel->cgrp)
- evsel->open_flags |= PERF_FLAG_PID_CGROUP;
+ evsel->core.open_flags |= PERF_FLAG_PID_CGROUP;
return 0;
}
@@ -1814,7 +1814,7 @@ static void evsel__disable_missing_features(struct evsel *evsel)
evsel->core.attr.clockid = 0;
}
if (perf_missing_features.cloexec)
- evsel->open_flags &= ~(unsigned long)PERF_FLAG_FD_CLOEXEC;
+ evsel->core.open_flags &= ~(unsigned long)PERF_FLAG_FD_CLOEXEC;
if (perf_missing_features.mmap2)
evsel->core.attr.mmap2 = 0;
if (evsel->pmu && evsel->pmu->missing_features.exclude_guest)
@@ -1902,7 +1902,8 @@ bool evsel__detect_missing_features(struct evsel *evsel)
perf_missing_features.clockid = true;
pr_debug2_peo("switching off use_clockid\n");
return true;
- } else if (!perf_missing_features.cloexec && (evsel->open_flags & PERF_FLAG_FD_CLOEXEC)) {
+ } else if (!perf_missing_features.cloexec &&
+ (evsel->core.open_flags & PERF_FLAG_FD_CLOEXEC)) {
perf_missing_features.cloexec = true;
pr_debug2_peo("switching off cloexec flag\n");
return true;
@@ -2029,11 +2030,12 @@ static int evsel__open_cpu(struct evsel *evsel, struct perf_cpu_map *cpus,
test_attr__ready();
pr_debug2_peo("sys_perf_event_open: pid %d cpu %d group_fd %d flags %#lx",
- pid, perf_cpu_map__cpu(cpus, idx).cpu, group_fd, evsel->open_flags);
+ pid, perf_cpu_map__cpu(cpus, idx).cpu, group_fd,
+ evsel->core.open_flags);
fd = sys_perf_event_open(&evsel->core.attr, pid,
perf_cpu_map__cpu(cpus, idx).cpu,
- group_fd, evsel->open_flags);
+ group_fd, evsel->core.open_flags);
FD(evsel, idx, thread) = fd;
@@ -2050,7 +2052,7 @@ static int evsel__open_cpu(struct evsel *evsel, struct perf_cpu_map *cpus,
if (unlikely(test_attr__enabled)) {
test_attr__open(&evsel->core.attr, pid,
perf_cpu_map__cpu(cpus, idx),
- fd, group_fd, evsel->open_flags);
+ fd, group_fd, evsel->core.open_flags);
}
pr_debug2_peo(" = %d\n", fd);
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 041b42d33bf5..8a545954eec7 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -152,7 +152,6 @@ struct evsel {
struct bperf_leader_bpf *leader_skel;
struct bperf_follower_bpf *follower_skel;
};
- unsigned long open_flags;
int precise_ip_original;
/* for missing_features */
--
2.25.1
On Fri, Mar 25, 2022 at 01:38:24PM +0900, Shunsuke Nakamura wrote:
> Move evsel::open_flags to perf_evsel::open_flags, so we can move
> the open_flags interface to libperf.
>
> Signed-off-by: Shunsuke Nakamura <[email protected]>
> ---
> tools/lib/perf/evsel.c | 3 ++-
> tools/lib/perf/include/internal/evsel.h | 2 ++
> tools/perf/util/evsel.c | 16 +++++++++-------
> tools/perf/util/evsel.h | 1 -
> 4 files changed, 13 insertions(+), 9 deletions(-)
>
> diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c
> index 210ea7c06ce8..6640a333e6d9 100644
> --- a/tools/lib/perf/evsel.c
> +++ b/tools/lib/perf/evsel.c
> @@ -26,6 +26,7 @@ void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr,
> evsel->attr = *attr;
> evsel->idx = idx;
> evsel->leader = evsel;
> + evsel->open_flags = 0;
> }
>
> struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
> @@ -158,7 +159,7 @@ int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,
>
> fd = sys_perf_event_open(&evsel->attr,
> threads->map[thread].pid,
> - cpu, group_fd, 0);
> + cpu, group_fd, evsel->open_flags);
please keep this change just open_flags field move,
this change should go to later patch
jirka
>
> if (fd < 0)
> return -errno;
> diff --git a/tools/lib/perf/include/internal/evsel.h b/tools/lib/perf/include/internal/evsel.h
> index cfc9ebd7968e..37a99cf261b3 100644
> --- a/tools/lib/perf/include/internal/evsel.h
> +++ b/tools/lib/perf/include/internal/evsel.h
> @@ -51,6 +51,8 @@ struct perf_evsel {
> int nr_members;
> bool system_wide;
> int idx;
> +
> + unsigned long open_flags;
> };
>
> void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr,
> diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
> index 22d3267ce294..52c34552ee76 100644
> --- a/tools/perf/util/evsel.c
> +++ b/tools/perf/util/evsel.c
> @@ -1794,9 +1794,9 @@ static int __evsel__prepare_open(struct evsel *evsel, struct perf_cpu_map *cpus,
> perf_evsel__alloc_fd(&evsel->core, perf_cpu_map__nr(cpus), nthreads) < 0)
> return -ENOMEM;
>
> - evsel->open_flags = PERF_FLAG_FD_CLOEXEC;
> + evsel->core.open_flags = PERF_FLAG_FD_CLOEXEC;
> if (evsel->cgrp)
> - evsel->open_flags |= PERF_FLAG_PID_CGROUP;
> + evsel->core.open_flags |= PERF_FLAG_PID_CGROUP;
>
> return 0;
> }
> @@ -1814,7 +1814,7 @@ static void evsel__disable_missing_features(struct evsel *evsel)
> evsel->core.attr.clockid = 0;
> }
> if (perf_missing_features.cloexec)
> - evsel->open_flags &= ~(unsigned long)PERF_FLAG_FD_CLOEXEC;
> + evsel->core.open_flags &= ~(unsigned long)PERF_FLAG_FD_CLOEXEC;
> if (perf_missing_features.mmap2)
> evsel->core.attr.mmap2 = 0;
> if (evsel->pmu && evsel->pmu->missing_features.exclude_guest)
> @@ -1902,7 +1902,8 @@ bool evsel__detect_missing_features(struct evsel *evsel)
> perf_missing_features.clockid = true;
> pr_debug2_peo("switching off use_clockid\n");
> return true;
> - } else if (!perf_missing_features.cloexec && (evsel->open_flags & PERF_FLAG_FD_CLOEXEC)) {
> + } else if (!perf_missing_features.cloexec &&
> + (evsel->core.open_flags & PERF_FLAG_FD_CLOEXEC)) {
> perf_missing_features.cloexec = true;
> pr_debug2_peo("switching off cloexec flag\n");
> return true;
> @@ -2029,11 +2030,12 @@ static int evsel__open_cpu(struct evsel *evsel, struct perf_cpu_map *cpus,
> test_attr__ready();
>
> pr_debug2_peo("sys_perf_event_open: pid %d cpu %d group_fd %d flags %#lx",
> - pid, perf_cpu_map__cpu(cpus, idx).cpu, group_fd, evsel->open_flags);
> + pid, perf_cpu_map__cpu(cpus, idx).cpu, group_fd,
> + evsel->core.open_flags);
>
> fd = sys_perf_event_open(&evsel->core.attr, pid,
> perf_cpu_map__cpu(cpus, idx).cpu,
> - group_fd, evsel->open_flags);
> + group_fd, evsel->core.open_flags);
>
> FD(evsel, idx, thread) = fd;
>
> @@ -2050,7 +2052,7 @@ static int evsel__open_cpu(struct evsel *evsel, struct perf_cpu_map *cpus,
> if (unlikely(test_attr__enabled)) {
> test_attr__open(&evsel->core.attr, pid,
> perf_cpu_map__cpu(cpus, idx),
> - fd, group_fd, evsel->open_flags);
> + fd, group_fd, evsel->core.open_flags);
> }
>
> pr_debug2_peo(" = %d\n", fd);
> diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
> index 041b42d33bf5..8a545954eec7 100644
> --- a/tools/perf/util/evsel.h
> +++ b/tools/perf/util/evsel.h
> @@ -152,7 +152,6 @@ struct evsel {
> struct bperf_leader_bpf *leader_skel;
> struct bperf_follower_bpf *follower_skel;
> };
> - unsigned long open_flags;
> int precise_ip_original;
>
> /* for missing_features */
> --
> 2.25.1
>
Hi jirka
> > struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr) @@
> > -158,7 +159,7 @@ int perf_evsel__open(struct perf_evsel *evsel, struct
> > perf_cpu_map *cpus,
> >
> > fd = sys_perf_event_open(&evsel->attr,
> > threads->map[thread].pid,
> > - cpu, group_fd, 0);
> > + cpu, group_fd,
> evsel->open_flags);
>
> please keep this change just open_flags field move, this change should go to
> later patch
>
I'll fix it.
Best Regards
Shunsuke