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Perf: Add event modifiers to perf output
Enhance the output from perf to indicate if the event had any user specified modifiers. e.g. if the event was r8:u, show the ":u" in the output as well. Change-Id: Iac9d9047f2cd8c17d81104fb39f7546c6b8af4b6 Signed-off-by: Ashwin Chaugule <ashwinc@codeaurora.org>
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1 changed files with 29 additions and 1 deletions
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@ -297,9 +297,37 @@ const char *event_name(struct perf_evsel *evsel)
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{
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u64 config = evsel->attr.config;
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int type = evsel->attr.type;
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char *buf;
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size_t buf_sz;
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if (evsel->name) {
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/* Make new space for the modifier bits. */
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buf_sz = strlen(evsel->name) + 3;
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buf = malloc(buf_sz);
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if (!buf)
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/*
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* Always return what was already in 'name'.
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*/
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return evsel->name;
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strlcpy(buf, evsel->name, buf_sz);
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free(evsel->name);
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evsel->name = buf;
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/* User mode profiling. */
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if (!evsel->attr.exclude_user && evsel->attr.exclude_kernel)
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strlcpy(&evsel->name[strlen(evsel->name)], ":u",
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buf_sz);
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/* Kernel mode profiling. */
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else if (!evsel->attr.exclude_kernel &&
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evsel->attr.exclude_user)
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strlcpy(&evsel->name[strlen(evsel->name)], ":k",
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buf_sz);
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if (evsel->name)
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return evsel->name;
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}
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return __event_name(type, config, NULL);
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}
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