Commit 54cd8b03 authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
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perf script: Factor out perf_sample__sprintf_flags() 



Factor out perf_sample__sprintf_flags() so it can be reused.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210525095112.1399-5-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 3f8e009e

tools/perf/builtin-script.c

+18 −10
Original line number Diff line number Diff line
@@ -1553,41 +1553,49 @@ static const char *sample_flags_to_name(u32 flags) 
	return NULL;

}



static int perf_sample__fprintf_flags(u32 flags, FILE *fp)

int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)

{

	const char *chars = PERF_IP_FLAG_CHARS;

	const int n = strlen(PERF_IP_FLAG_CHARS);

	const size_t n = strlen(PERF_IP_FLAG_CHARS);

	bool in_tx = flags & PERF_IP_FLAG_IN_TX;

	const char *name = NULL;

	char str[33];

	int i, pos = 0;

	size_t i, pos = 0;



	name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);

	if (name)

		return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");

		return snprintf(str, sz, "%-15s%4s", name, in_tx ? "(x)" : "");



	if (flags & PERF_IP_FLAG_TRACE_BEGIN) {

		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));

		if (name)

			return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");

			return snprintf(str, sz, "tr strt %-7s%4s", name, in_tx ? "(x)" : "");

	}



	if (flags & PERF_IP_FLAG_TRACE_END) {

		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));

		if (name)

			return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");

			return snprintf(str, sz, "tr end  %-7s%4s", name, in_tx ? "(x)" : "");

	}



	for (i = 0; i < n; i++, flags >>= 1) {

		if (flags & 1)

		if ((flags & 1) && pos < sz)

			str[pos++] = chars[i];

	}

	for (; i < 32; i++, flags >>= 1) {

		if (flags & 1)

		if ((flags & 1) && pos < sz)

			str[pos++] = '?';

	}

	if (pos < sz)

		str[pos] = 0;



	return pos;

}



static int perf_sample__fprintf_flags(u32 flags, FILE *fp)

{

	char str[SAMPLE_FLAGS_BUF_SIZE];



	perf_sample__sprintf_flags(flags, str, sizeof(str));

	return fprintf(fp, "  %-19s ", str);

}

tools/perf/util/trace-event.h

+3 −0
Original line number Diff line number Diff line
@@ -105,4 +105,7 @@ int common_pc(struct scripting_context *context); 
int common_flags(struct scripting_context *context);

int common_lock_depth(struct scripting_context *context);



#define SAMPLE_FLAGS_BUF_SIZE 64

int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz);



#endif /* _PERF_UTIL_TRACE_EVENT_H */