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perf tools: Add PMU configuration to tools 

Now that the required mechanic is there to deal with PMU specific
configuration, add the functionality to the tools where events can be
selected.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1474041004-13956-7-git-send-email-mathieu.poirier@linaro.org
[ Fix the build on XSI-compliant systems, using str_error_r() to make sure we return a string, not an integer ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Mathieu Poirier 2016-09-16 09:50:03 -06:00 committed by Arnaldo Carvalho de Melo
parent 859442bd3f
commit 5d8bb1ec74
3 changed files with 32 additions and 0 deletions
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10
tools/perf/builtin-record.c
View File

@ -22,6 +22,7 @@
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/debug.h"
#include "util/drv_configs.h"
#include "util/session.h"
#include "util/tool.h"
#include "util/symbol.h"
@ -383,6 +384,7 @@ static int record__open(struct record *rec)
struct perf_evlist *evlist = rec->evlist;
struct perf_session *session = rec->session;
struct record_opts *opts = &rec->opts;
struct perf_evsel_config_term *err_term;
int rc = 0;
perf_evlist__config(evlist, opts, &callchain_param);
@ -412,6 +414,14 @@ try_again:
goto out;
}
if (perf_evlist__apply_drv_configs(evlist, &pos, &err_term)) {
error("failed to set config \"%s\" on event %s with %d (%s)\n",
err_term->val.drv_cfg, perf_evsel__name(pos), errno,
str_error_r(errno, msg, sizeof(msg)));
rc = -1;
goto out;
}
rc = record__mmap(rec);
if (rc)
goto out;

9
tools/perf/builtin-stat.c
View File

@ -52,6 +52,7 @@
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/debug.h"
#include "util/drv_configs.h"
#include "util/color.h"
#include "util/stat.h"
#include "util/header.h"
@ -540,6 +541,7 @@ static int __run_perf_stat(int argc, const char **argv)
int status = 0;
const bool forks = (argc > 0);
bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false;
struct perf_evsel_config_term *err_term;
if (interval) {
ts.tv_sec = interval / USEC_PER_MSEC;
@ -611,6 +613,13 @@ try_again:
return -1;
}
if (perf_evlist__apply_drv_configs(evsel_list, &counter, &err_term)) {
error("failed to set config \"%s\" on event %s with %d (%s)\n",
err_term->val.drv_cfg, perf_evsel__name(counter), errno,
str_error_r(errno, msg, sizeof(msg)));
return -1;
}
if (STAT_RECORD) {
int err, fd = perf_data_file__fd(&perf_stat.file);

13
tools/perf/builtin-top.c
View File

@ -24,6 +24,7 @@
#include "util/annotate.h"
#include "util/config.h"
#include "util/color.h"
#include "util/drv_configs.h"
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/machine.h"
@ -913,6 +914,10 @@ static int callchain_param__setup_sample_type(struct callchain_param *callchain)
static int __cmd_top(struct perf_top *top)
{
char msg[512];
struct perf_evsel *pos;
struct perf_evsel_config_term *err_term;
struct perf_evlist *evlist = top->evlist;
struct record_opts *opts = &top->record_opts;
pthread_t thread;
int ret;
@ -947,6 +952,14 @@ static int __cmd_top(struct perf_top *top)
if (ret)
goto out_delete;
ret = perf_evlist__apply_drv_configs(evlist, &pos, &err_term);
if (ret) {
error("failed to set config \"%s\" on event %s with %d (%s)\n",
err_term->val.drv_cfg, perf_evsel__name(pos), errno,
str_error_r(errno, msg, sizeof(msg)));
goto out_delete;
}
top->session->evlist = top->evlist;
perf_session__set_id_hdr_size(top->session);