Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760347Ab2EKGnf (ORCPT ); Fri, 11 May 2012 02:43:35 -0400 Received: from terminus.zytor.com ([198.137.202.10]:57311 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757458Ab2EKGna (ORCPT ); Fri, 11 May 2012 02:43:30 -0400 Date: Thu, 10 May 2012 23:42:57 -0700 From: tip-bot for Namhyung Kim Message-ID: Cc: acme@redhat.com, linux-kernel@vger.kernel.org, paulus@samba.org, mingo@redhat.com, hpa@zytor.com, mingo@kernel.org, a.p.zijlstra@chello.nl, namhyung.kim@lge.com, namhyung@gmail.com, dsahern@gmail.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, mingo@redhat.com, paulus@samba.org, linux-kernel@vger.kernel.org, acme@redhat.com, a.p.zijlstra@chello.nl, namhyung.kim@lge.com, namhyung@gmail.com, dsahern@gmail.com, tglx@linutronix.de In-Reply-To: <1336367344-28071-7-git-send-email-namhyung.kim@lge.com> References: <1336367344-28071-7-git-send-email-namhyung.kim@lge.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf target: Consolidate target task/cpu checking Git-Commit-ID: d67356e7f80f5c2ef487bedc11a91d5fe18c5a15 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.6 (terminus.zytor.com [127.0.0.1]); Thu, 10 May 2012 23:43:04 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7400 Lines: 194 Commit-ID: d67356e7f80f5c2ef487bedc11a91d5fe18c5a15 Gitweb: http://git.kernel.org/tip/d67356e7f80f5c2ef487bedc11a91d5fe18c5a15 Author: Namhyung Kim AuthorDate: Mon, 7 May 2012 14:09:03 +0900 Committer: Arnaldo Carvalho de Melo CommitDate: Mon, 7 May 2012 17:52:05 -0300 perf target: Consolidate target task/cpu checking There are places that check whether target task/cpu is given or not and some of them didn't check newly introduced uid or cpu list. Add and use three of helper functions to treat them properly. Signed-off-by: Namhyung Kim Reviewed-by: David Ahern Cc: David Ahern Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1336367344-28071-7-git-send-email-namhyung.kim@lge.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 4 +--- tools/perf/builtin-stat.c | 12 ++++++------ tools/perf/builtin-top.c | 2 +- tools/perf/util/evlist.c | 10 ++++------ tools/perf/util/evsel.c | 8 ++++---- tools/perf/util/target.h | 15 +++++++++++++++ 6 files changed, 31 insertions(+), 20 deletions(-) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index c8bf6ea..42e2414 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -843,9 +843,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) argc = parse_options(argc, argv, record_options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); - if (!argc && !rec->opts.target.pid && !rec->opts.target.tid && - !rec->opts.target.system_wide && !rec->opts.target.cpu_list && - !rec->opts.target.uid_str) + if (!argc && perf_target__none(&rec->opts.target)) usage_with_options(record_usage, record_options); if (rec->force && rec->append_file) { diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index bb77232..d9ff246 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -290,10 +290,10 @@ static int create_perf_stat_counter(struct perf_evsel *evsel, attr->inherit = !no_inherit; - if (target.system_wide) + if (!perf_target__no_cpu(&target)) return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, group, group_fd); - if (!target.pid && !target.tid && (!group || evsel == first)) { + if (perf_target__no_task(&target) && (!group || evsel == first)) { attr->disabled = 1; attr->enable_on_exec = 1; } @@ -443,7 +443,7 @@ static int run_perf_stat(int argc __used, const char **argv) exit(-1); } - if (!target.tid && !target.pid && !target.system_wide) + if (perf_target__none(&target)) evsel_list->threads->map[0] = child_pid; /* @@ -965,7 +965,7 @@ static void print_stat(int argc, const char **argv) if (!csv_output) { fprintf(output, "\n"); fprintf(output, " Performance counter stats for "); - if (!target.pid && !target.tid) { + if (perf_target__no_task(&target)) { fprintf(output, "\'%s", argv[0]); for (i = 1; i < argc; i++) fprintf(output, " %s", argv[i]); @@ -1187,13 +1187,13 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) } else if (big_num_opt == 0) /* User passed --no-big-num */ big_num = false; - if (!argc && !target.pid && !target.tid) + if (!argc && perf_target__no_task(&target)) usage_with_options(stat_usage, options); if (run_count <= 0) usage_with_options(stat_usage, options); /* no_aggr, cgroup are for system-wide only */ - if ((no_aggr || nr_cgroups) && !target.system_wide) { + if ((no_aggr || nr_cgroups) && perf_target__no_cpu(&target)) { fprintf(stderr, "both cgroup and no-aggregation " "modes only available in system-wide mode\n"); diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 7ba0f03..e4ca827 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1016,7 +1016,7 @@ static int __cmd_top(struct perf_top *top) if (ret) goto out_delete; - if (top->target.tid || top->target.uid != UINT_MAX) + if (!perf_target__no_task(&top->target)) perf_event__synthesize_thread_map(&top->tool, top->evlist->threads, perf_event__process, &top->session->host_machine); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 183b199..1201daf 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -609,12 +609,10 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, if (evlist->threads == NULL) return -1; - if (target->uid != UINT_MAX || target->tid) - evlist->cpus = cpu_map__dummy_new(); - else if (!target->system_wide && target->cpu_list == NULL) - evlist->cpus = cpu_map__dummy_new(); - else + if (!perf_target__no_cpu(target)) evlist->cpus = cpu_map__new(target->cpu_list); + else + evlist->cpus = cpu_map__dummy_new(); if (evlist->cpus == NULL) goto out_delete_threads; @@ -831,7 +829,7 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist, exit(-1); } - if (!opts->target.system_wide && !opts->target.tid && !opts->target.pid) + if (perf_target__none(&opts->target)) evlist->threads->map[0] = evlist->workload.pid; close(child_ready_pipe[1]); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index bb785a0..21eaab2 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -114,8 +114,8 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, attr->sample_type |= PERF_SAMPLE_PERIOD; if (!opts->sample_id_all_missing && - (opts->sample_time || opts->target.system_wide || - !opts->no_inherit || opts->target.cpu_list)) + (opts->sample_time || !opts->no_inherit || + !perf_target__no_cpu(&opts->target))) attr->sample_type |= PERF_SAMPLE_TIME; if (opts->raw_samples) { @@ -136,8 +136,8 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, attr->mmap = track; attr->comm = track; - if (!opts->target.pid && !opts->target.tid && - !opts->target.system_wide && (!opts->group || evsel == first)) { + if (perf_target__none(&opts->target) && + (!opts->group || evsel == first)) { attr->disabled = 1; attr->enable_on_exec = 1; } diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h index 6fcd01c..127cff3 100644 --- a/tools/perf/util/target.h +++ b/tools/perf/util/target.h @@ -46,4 +46,19 @@ enum perf_target_errno perf_target__parse_uid(struct perf_target *target); int perf_target__strerror(struct perf_target *target, int errnum, char *buf, size_t buflen); +static inline bool perf_target__no_task(struct perf_target *target) +{ + return !target->pid && !target->tid && !target->uid_str; +} + +static inline bool perf_target__no_cpu(struct perf_target *target) +{ + return !target->system_wide && !target->cpu_list; +} + +static inline bool perf_target__none(struct perf_target *target) +{ + return perf_target__no_task(target) && perf_target__no_cpu(target); +} + #endif /* _PERF_TARGET_H */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/