perf: Fix header.size for namespace events
[ Upstream commitpull/10/head34900ec5c9
] Reset header size for namespace events, otherwise it only gets bigger in ctx iterations. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Fixes:e422267322
("perf: Add PERF_RECORD_NAMESPACES to include namespaces related info") Link: http://lkml.kernel.org/n/tip-nlo4gonz9d4guyb8153ukzt0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
parent
475e6b835d
commit
984d85a69d
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@ -6719,6 +6719,7 @@ static void perf_event_namespaces_output(struct perf_event *event,
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struct perf_namespaces_event *namespaces_event = data;
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struct perf_output_handle handle;
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struct perf_sample_data sample;
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u16 header_size = namespaces_event->event_id.header.size;
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int ret;
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if (!perf_event_namespaces_match(event))
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@ -6729,7 +6730,7 @@ static void perf_event_namespaces_output(struct perf_event *event,
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ret = perf_output_begin(&handle, event,
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namespaces_event->event_id.header.size);
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if (ret)
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return;
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goto out;
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namespaces_event->event_id.pid = perf_event_pid(event,
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namespaces_event->task);
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@ -6741,6 +6742,8 @@ static void perf_event_namespaces_output(struct perf_event *event,
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perf_event__output_id_sample(event, &handle, &sample);
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perf_output_end(&handle);
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out:
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namespaces_event->event_id.header.size = header_size;
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}
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static void perf_fill_ns_link_info(struct perf_ns_link_info *ns_link_info,
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