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authorMathieu Poirier <mathieu.poirier@linaro.org>2016-09-16 09:50:03 -0600
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-09-22 13:07:36 -0300
commit5d8bb1ec7477e0e53dbd891733682a6583d4398e (patch)
tree868fb6786dfd87daf88189f824d87af0666ccbba /tools/perf/builtin-top.c
parent859442bd3fcbe326a9c0174c6105c938eb101438 (diff)
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>
Diffstat (limited to 'tools/perf/builtin-top.c')
-rw-r--r--tools/perf/builtin-top.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 400785702566..fe3af9535e85 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -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);