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authorDavid Ahern <dsahern@gmail.com>2013-08-02 14:05:42 -0600
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-08-07 17:35:27 -0300
commit8fdd84c44fd09d783caa4fb81d2d680b0cf07eeb (patch)
tree3a9133f7a5806c5cec33249ede75e2d2d60b0259 /tools/perf/builtin-kvm.c
parent9c5014022f5d5b09abc8b713da81b3d2db319699 (diff)
perf kvm: Split out tracepoints from record args
Needed by kvm live command. Make record_args a local while we are messing with the args. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Runzhen Wang <runzhen@linux.vnet.ibm.com> Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/1375473947-64285-5-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-kvm.c')
-rw-r--r--tools/perf/builtin-kvm.c30
1 files changed, 19 insertions, 11 deletions
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 24b78aecc92..7d14a3a4540 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -801,16 +801,11 @@ exit:
return ret;
}
-static const char * const record_args[] = {
- "record",
- "-R",
- "-f",
- "-m", "1024",
- "-c", "1",
- "-e", "kvm:kvm_entry",
- "-e", "kvm:kvm_exit",
- "-e", "kvm:kvm_mmio",
- "-e", "kvm:kvm_pio",
+static const char * const kvm_events_tp[] = {
+ "kvm:kvm_entry",
+ "kvm:kvm_exit",
+ "kvm:kvm_mmio",
+ "kvm:kvm_pio",
};
#define STRDUP_FAIL_EXIT(s) \
@@ -826,8 +821,16 @@ kvm_events_record(struct perf_kvm_stat *kvm, int argc, const char **argv)
{
unsigned int rec_argc, i, j;
const char **rec_argv;
+ const char * const record_args[] = {
+ "record",
+ "-R",
+ "-f",
+ "-m", "1024",
+ "-c", "1",
+ };
- rec_argc = ARRAY_SIZE(record_args) + argc + 2;
+ rec_argc = ARRAY_SIZE(record_args) + argc + 2 +
+ 2 * ARRAY_SIZE(kvm_events_tp);
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (rec_argv == NULL)
@@ -836,6 +839,11 @@ kvm_events_record(struct perf_kvm_stat *kvm, int argc, const char **argv)
for (i = 0; i < ARRAY_SIZE(record_args); i++)
rec_argv[i] = STRDUP_FAIL_EXIT(record_args[i]);
+ for (j = 0; j < ARRAY_SIZE(kvm_events_tp); j++) {
+ rec_argv[i++] = "-e";
+ rec_argv[i++] = STRDUP_FAIL_EXIT(kvm_events_tp[j]);
+ }
+
rec_argv[i++] = STRDUP_FAIL_EXIT("-o");
rec_argv[i++] = STRDUP_FAIL_EXIT(kvm->file_name);