| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Mon, 13 Feb 2012 16:27:40 +0900
From: Namhyung Kim <namhyung.kim@....com>
To: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Namhyung Kim <namhyung@...il.com>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
linux-kernel@...r.kernel.org
Subject: [PATCH 08/11] perf tools: 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 <namhyung.kim@....com>
---
tools/perf/builtin-record.c | 5 +----
tools/perf/builtin-stat.c | 11 +++++------
tools/perf/util/evlist.c | 7 +++----
tools/perf/util/evsel.c | 3 +--
tools/perf/util/usage.c | 16 ++++++++++++++++
tools/perf/util/util.h | 3 +++
6 files changed, 29 insertions(+), 16 deletions(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index a8abee03a62d..fbf71edd31ba 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -740,10 +740,7 @@ 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.maps.target_pid == -1 &&
- rec->opts.maps.target_tid == -1 &&
- !rec->opts.maps.system_wide && !rec->opts.maps.cpu_list &&
- !rec->opts.maps.uid_str)
+ if (!argc && no_target_maps(&rec->opts.maps))
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 f1f4e8f60a3e..d080254a2d0c 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -296,7 +296,7 @@ static int create_perf_stat_counter(struct perf_evsel *evsel,
if (maps.system_wide)
return perf_evsel__open_per_cpu(evsel, evsel_list->cpus,
group, group_fd);
- if (maps.target_pid == -1 && maps.target_tid == -1) {
+ if (no_target_task(&maps)) {
attr->disabled = 1;
attr->enable_on_exec = 1;
}
@@ -446,8 +446,7 @@ static int run_perf_stat(int argc __used, const char **argv)
exit(-1);
}
- if (maps.target_tid == -1 && maps.target_pid == -1 &&
- !maps.system_wide)
+ if (no_target_maps(&maps))
evsel_list->threads->map[0] = child_pid;
/*
@@ -969,7 +968,7 @@ static void print_stat(int argc, const char **argv)
if (!csv_output) {
fprintf(output, "\n");
fprintf(output, " Performance counter stats for ");
- if(maps.target_pid == -1 && maps.target_tid == -1) {
+ if (no_target_task(&maps)) {
fprintf(output, "\'%s", argv[0]);
for (i = 1; i < argc; i++)
fprintf(output, " %s", argv[i]);
@@ -1191,13 +1190,13 @@ 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 && maps.target_pid == -1 && maps.target_tid == -1)
+ if (!argc && no_target_task(&maps))
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) && !maps.system_wide) {
+ if ((no_aggr || nr_cgroups) && !no_target_cpu(&maps)) {
fprintf(stderr, "both cgroup and no-aggregation "
"modes only available in system-wide mode\n");
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index b444f311897c..aa0418034d82 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -602,9 +602,9 @@ int perf_evlist__create_maps(struct perf_evlist *evlist,
if (evlist->threads == NULL)
return -1;
- if (maps->uid != UINT_MAX || maps->target_tid != -1)
+ if (!no_target_task(maps))
evlist->cpus = cpu_map__dummy_new();
- else if (!maps->system_wide && maps->cpu_list == NULL)
+ else if (no_target_cpu(maps))
evlist->cpus = cpu_map__dummy_new();
else
evlist->cpus = cpu_map__new(maps->cpu_list);
@@ -823,8 +823,7 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist,
exit(-1);
}
- if (!opts->maps.system_wide && opts->maps.target_tid == -1 &&
- opts->maps.target_pid == -1)
+ if (no_target_maps(&opts->maps))
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 6a4e97d5f6d5..e7ddf27f240b 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -130,8 +130,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts)
attr->mmap = track;
attr->comm = track;
- if (opts->maps.target_pid == -1 && opts->maps.target_tid == -1 &&
- !opts->maps.system_wide) {
+ if (no_target_maps(&opts->maps)) {
attr->disabled = 1;
attr->enable_on_exec = 1;
}
diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c
index 08423c037a7e..d7e77fde966d 100644
--- a/tools/perf/util/usage.c
+++ b/tools/perf/util/usage.c
@@ -147,3 +147,19 @@ void check_target_maps(struct perf_maps_opts *maps)
maps->system_wide = false;
}
}
+
+bool no_target_task(struct perf_maps_opts *maps)
+{
+ return maps->target_pid == -1 && maps->target_tid == -1 &&
+ maps->uid_str == NULL;
+}
+
+bool no_target_cpu(struct perf_maps_opts *maps)
+{
+ return !maps->system_wide && maps->cpu_list == NULL;
+}
+
+bool no_target_maps(struct perf_maps_opts *maps)
+{
+ return no_target_task(maps) && no_target_cpu(maps);
+}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 2573985f8408..e1343eea14eb 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -248,6 +248,9 @@ void event_attr_init(struct perf_event_attr *attr);
uid_t parse_target_uid(const char *str);
void check_target_maps(struct perf_maps_opts *maps);
+bool no_target_task(struct perf_maps_opts *maps);
+bool no_target_cpu(struct perf_maps_opts *maps);
+bool no_target_maps(struct perf_maps_opts *maps);
#define _STR(x) #x
#define STR(x) _STR(x)
--
1.7.9
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists