perf version: Display availability of OpenCSD support

James-A-Clark · namhyung · commit 507ad2bde357 · 2024-03-03T22:48:40.000-08:00
This is useful for scripts that work with Perf and ETM trace. Rather than them trying to parse Perf's error output at runtime to see if it was linked or not. Signed-off-by: James Clark <james.clark@arm.com> Reviewed-by: Ian Rogers <irogers@google.com> Cc: al.grant@arm.com Signed-off-by: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20240301133829.346286-1-james.clark@arm.com
diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c
@@ -84,6 +84,7 @@ static void library_status(void)
 	STATUS(HAVE_LIBTRACEEVENT, libtraceevent);
 	STATUS(HAVE_BPF_SKEL, bpf_skeletons);
 	STATUS(HAVE_DWARF_UNWIND_SUPPORT, dwarf-unwind-support);
+	STATUS(HAVE_CSTRACE_SUPPORT, libopencsd);
 }
 
 int cmd_version(int argc, const char **argv)

Original file line number	Diff line number	Diff line change
`@@ -84,6 +84,7 @@ static void library_status(void)`
`84`	`84`	`STATUS(HAVE_LIBTRACEEVENT, libtraceevent);`
`85`	`85`	`STATUS(HAVE_BPF_SKEL, bpf_skeletons);`
`86`	`86`	`STATUS(HAVE_DWARF_UNWIND_SUPPORT, dwarf-unwind-support);`
	`87`	`+ STATUS(HAVE_CSTRACE_SUPPORT, libopencsd);`
`87`	`88`	`}`
`88`	`89`
`89`	`90`	`int cmd_version(int argc, const char **argv)`