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Date: Mon, 13 Feb 2012 16:27:34 +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 02/11] perf stat: Convert to perf_maps_opts
Use struct perf_maps_opts as it is introduces by previous patch.
This is a preparation of further changes.
Signed-off-by: Namhyung Kim <namhyung.kim@....com>
---
tools/perf/builtin-stat.c | 50 +++++++++++++++++++++++---------------------
1 files changed, 26 insertions(+), 24 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index d14b37ad7638..14a30c2b9fe0 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -175,22 +175,17 @@ static struct perf_event_attr very_very_detailed_attrs[] = {
struct perf_evlist *evsel_list;
-static bool system_wide = false;
static int run_idx = 0;
-
static int run_count = 1;
static bool no_inherit = false;
static bool scale = true;
static bool no_aggr = false;
-static pid_t target_pid = -1;
-static pid_t target_tid = -1;
static pid_t child_pid = -1;
static bool null_run = false;
static int detailed_run = 0;
static bool sync_run = false;
static bool big_num = true;
static int big_num_opt = -1;
-static const char *cpu_list;
static const char *csv_sep = NULL;
static bool csv_output = false;
static bool group = false;
@@ -198,6 +193,11 @@ static const char *output_name = NULL;
static FILE *output = NULL;
static int output_fd;
+static struct perf_maps_opts maps = {
+ .target_pid = -1,
+ .target_tid = -1,
+};
+
static volatile int done = 0;
struct stats
@@ -293,10 +293,10 @@ static int create_perf_stat_counter(struct perf_evsel *evsel,
attr->inherit = !no_inherit;
- if (system_wide)
+ if (maps.system_wide)
return perf_evsel__open_per_cpu(evsel, evsel_list->cpus,
group, group_fd);
- if (target_pid == -1 && target_tid == -1) {
+ if (maps.target_pid == -1 && maps.target_tid == -1) {
attr->disabled = 1;
attr->enable_on_exec = 1;
}
@@ -446,7 +446,8 @@ static int run_perf_stat(int argc __used, const char **argv)
exit(-1);
}
- if (target_tid == -1 && target_pid == -1 && !system_wide)
+ if (maps.target_tid == -1 && maps.target_pid == -1 &&
+ !maps.system_wide)
evsel_list->threads->map[0] = child_pid;
/*
@@ -476,7 +477,7 @@ static int run_perf_stat(int argc __used, const char **argv)
error("You may not have permission to collect %sstats.\n"
"\t Consider tweaking"
" /proc/sys/kernel/perf_event_paranoid or running as root.",
- system_wide ? "system-wide " : "");
+ maps.system_wide ? "system-wide " : "");
} else {
error("open_counter returned with %d (%s). "
"/bin/dmesg may provide additional information.\n",
@@ -968,14 +969,14 @@ static void print_stat(int argc, const char **argv)
if (!csv_output) {
fprintf(output, "\n");
fprintf(output, " Performance counter stats for ");
- if(target_pid == -1 && target_tid == -1) {
+ if(maps.target_pid == -1 && maps.target_tid == -1) {
fprintf(output, "\'%s", argv[0]);
for (i = 1; i < argc; i++)
fprintf(output, " %s", argv[i]);
- } else if (target_pid != -1)
- fprintf(output, "process id \'%d", target_pid);
+ } else if (maps.target_pid != -1)
+ fprintf(output, "process id \'%d", maps.target_pid);
else
- fprintf(output, "thread id \'%d", target_tid);
+ fprintf(output, "thread id \'%d", maps.target_tid);
fprintf(output, "\'");
if (run_count > 1)
@@ -1049,11 +1050,11 @@ static const struct option options[] = {
"event filter", parse_filter),
OPT_BOOLEAN('i', "no-inherit", &no_inherit,
"child tasks do not inherit counters"),
- OPT_INTEGER('p', "pid", &target_pid,
+ OPT_INTEGER('p', "pid", &maps.target_pid,
"stat events on existing process id"),
- OPT_INTEGER('t', "tid", &target_tid,
+ OPT_INTEGER('t', "tid", &maps.target_tid,
"stat events on existing thread id"),
- OPT_BOOLEAN('a', "all-cpus", &system_wide,
+ OPT_BOOLEAN('a', "all-cpus", &maps.system_wide,
"system-wide collection from all CPUs"),
OPT_BOOLEAN('g', "group", &group,
"put the counters into a counter group"),
@@ -1072,7 +1073,7 @@ static const struct option options[] = {
OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL,
"print large numbers with thousands\' separators",
stat__set_big_num),
- OPT_STRING('C', "cpu", &cpu_list, "cpu",
+ OPT_STRING('C', "cpu", &maps.cpu_list, "cpu",
"list of cpus to monitor in system-wide"),
OPT_BOOLEAN('A', "no-aggr", &no_aggr,
"disable CPU count aggregation"),
@@ -1190,13 +1191,13 @@ 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 == -1 && target_tid == -1)
+ if (!argc && maps.target_pid == -1 && maps.target_tid == -1)
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) && !system_wide) {
+ if ((no_aggr || nr_cgroups) && !maps.system_wide) {
fprintf(stderr, "both cgroup and no-aggregation "
"modes only available in system-wide mode\n");
@@ -1206,17 +1207,18 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
if (add_default_attributes())
goto out;
- if (target_pid != -1)
- target_tid = target_pid;
+ if (maps.target_pid != -1)
+ maps.target_tid = maps.target_pid;
- evsel_list->threads = thread_map__new(target_pid, target_tid, UINT_MAX);
+ evsel_list->threads = thread_map__new(maps.target_pid, maps.target_tid,
+ UINT_MAX);
if (evsel_list->threads == NULL) {
pr_err("Problems finding threads of monitor\n");
usage_with_options(stat_usage, options);
}
- if (system_wide)
- evsel_list->cpus = cpu_map__new(cpu_list);
+ if (maps.system_wide)
+ evsel_list->cpus = cpu_map__new(maps.cpu_list);
else
evsel_list->cpus = cpu_map__dummy_new();
--
1.7.9
--
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