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| author |   Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-09-16 09:50:03 -0600 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-09-22 13:07:36 -0300 |
| commit | 5d8bb1ec7477e0e53dbd891733682a6583d4398e (patch) | |
| tree | 868fb6786dfd87daf88189f824d87af0666ccbba /tools/perf/builtin-top.c | |
| parent | perf pmu: Push configuration down to PMU driver (diff) | |
| download | linux-dev-5d8bb1ec7477e0e53dbd891733682a6583d4398e.tar.xz linux-dev-5d8bb1ec7477e0e53dbd891733682a6583d4398e.zip | |
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.c | 13 |
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); |