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libperf: Add PERF_RECORD_KSYMBOL 'struct ksymbol_event' to perf/event.h
Move the PERF_RECORD_KSYMBOL event definition into libperf's event.h header include. In order to keep libperf simple, we switch 'u64/u32/u16/u8' types used events to their generic '__u*' versions. Perf added 'u*' types mainly to ease up printing __u64 values as stated in the linux/types.h comment: /* * We define u64 as uint64_t for every architecture * so that we can print it with "%"PRIx64 without getting warnings. * * typedef __u64 u64; * typedef __s64 s64; */ Add and use new PRI_lu64 and PRI_lx64 macros for that. Use extra '_' to ease up the reading and differentiate them from standard PRI*64 macros. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190825181752.722-11-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -80,4 +80,17 @@ struct throttle_event {
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__u64 stream_id;
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};
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#ifndef KSYM_NAME_LEN
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#define KSYM_NAME_LEN 256
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#endif
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struct ksymbol_event {
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struct perf_event_header header;
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__u64 addr;
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__u32 len;
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__u16 ksym_type;
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__u16 flags;
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char name[KSYM_NAME_LEN];
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};
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#endif /* __LIBPERF_EVENT_H */
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@ -1485,7 +1485,7 @@ static size_t perf_event__fprintf_lost(union perf_event *event, FILE *fp)
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size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp)
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{
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return fprintf(fp, " addr %" PRIx64 " len %u type %u flags 0x%x name %s\n",
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return fprintf(fp, " addr %" PRI_lx64 " len %u type %u flags 0x%x name %s\n",
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event->ksymbol_event.addr, event->ksymbol_event.len,
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event->ksymbol_event.ksym_type,
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event->ksymbol_event.flags, event->ksymbol_event.name);
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@ -27,19 +27,6 @@
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#define PRI_lx64 PRIx64
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#endif
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#ifndef KSYM_NAME_LEN
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#define KSYM_NAME_LEN 256
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#endif
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struct ksymbol_event {
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struct perf_event_header header;
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u64 addr;
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u32 len;
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u16 ksym_type;
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u16 flags;
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char name[KSYM_NAME_LEN];
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};
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struct bpf_event {
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struct perf_event_header header;
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u16 type;
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