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authorArnaldo Carvalho de Melo <acme@redhat.com>2021-03-08 10:11:33 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-03-08 10:11:33 -0300
commit009ef05f98129aa91c62c3baab859ba593a15bb2 (patch)
treef3414f08d636a597545b1e4f443b373b9d6d8f4b /kernel/trace/trace.c
parent2777b81b379df772defd654bc4d3fa82dca17a4b (diff)
parent144c79ef33536b4ecb4951e07dbc1f2b7fa99d32 (diff)
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up the fixes sent for v5.12 and continue development based on v5.12-rc2, i.e. without the swap on file bug. This also gets a slightly newer and better tools/perf/arch/arm/util/cs-etm.c patch version, using the BIT() macro, that had already been slated to v5.13 but ended up going to v5.12-rc1 on an older version. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel/trace/trace.c')
-rw-r--r--kernel/trace/trace.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index e295c413580ed..eccb4e1187cc7 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1929,6 +1929,12 @@ static int run_tracer_selftest(struct tracer *type)
if (!selftests_can_run)
return save_selftest(type);
+ if (!tracing_is_on()) {
+ pr_warn("Selftest for tracer %s skipped due to tracing disabled\n",
+ type->name);
+ return 0;
+ }
+
/*
* Run a selftest on this tracer.
* Here we reset the trace buffer, and set the current