Commit 97c2a780 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

libbeauty: Add a strarray__scnprintf_suffix() method 

In some cases, like with x86 IRQ vectors, the common part in names is at
the end, so a suffix, add a scnprintf function for that.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-agxbj6es2ke3rehwt4gkdw23@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent f19a85c6

tools/perf/builtin-trace.c

+14 −0
Original line number Diff line number Diff line
@@ -423,6 +423,20 @@ out_delete: 
	({ struct syscall_tp *fields = evsel->priv; \

	   fields->name.pointer(&fields->name, sample); })



size_t strarray__scnprintf_suffix(struct strarray *sa, char *bf, size_t size, const char *intfmt, bool show_suffix, int val)

{

	int idx = val - sa->offset;



	if (idx < 0 || idx >= sa->nr_entries || sa->entries[idx] == NULL) {

		size_t printed = scnprintf(bf, size, intfmt, val);

		if (show_suffix)

			printed += scnprintf(bf + printed, size - printed, " /* %s??? */", sa->prefix);

		return printed;

	}



	return scnprintf(bf, size, "%s%s", sa->entries[idx], show_suffix ? sa->prefix : "");

}



size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const char *intfmt, bool show_prefix, int val)

{

	int idx = val - sa->offset;

tools/perf/trace/beauty/beauty.h

+1 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ struct strarray { 
}



size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const char *intfmt, bool show_prefix, int val);

size_t strarray__scnprintf_suffix(struct strarray *sa, char *bf, size_t size, const char *intfmt, bool show_suffix, int val);

size_t strarray__scnprintf_flags(struct strarray *sa, char *bf, size_t size, bool show_prefix, unsigned long flags);



bool strarray__strtoul(struct strarray *sa, char *bf, size_t size, u64 *ret);

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