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perf tools: Add PMU configuration to tools

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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
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@@ -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;