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| author | Wenji Huang <wenji.huang@oracle.com> | 2009-02-17 01:09:47 -0500 |
|---|---|---|
| committer | Steven Rostedt <srostedt@redhat.com> | 2009-02-17 12:38:24 -0500 |
| commit | d2ef7c2f0f9ab48c25eafc0ebad0df5f7930420b (patch) | |
| tree | f728344561b02428d875e30a0d07143dafd52bcc /kernel/trace/trace_selftest.c | |
| parent | af513098452b8887d7c0e15a39d7cb74479501bd (diff) | |
| download | op-kernel-dev-d2ef7c2f0f9ab48c25eafc0ebad0df5f7930420b.zip op-kernel-dev-d2ef7c2f0f9ab48c25eafc0ebad0df5f7930420b.tar.gz | |
tracing: fix the return value of trace selftest
This patch is to fix the return value of trace_selftest_startup_sysprof
and trace_selftest_startup_branch on failure.
Signed-off-by: Wenji Huang <wenji.huang@oracle.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Diffstat (limited to 'kernel/trace/trace_selftest.c')
| -rw-r--r-- | kernel/trace/trace_selftest.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c index 0c9aa14..c72e749 100644 --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -622,7 +622,7 @@ trace_selftest_startup_sysprof(struct tracer *trace, struct trace_array *tr) ret = tracer_init(trace, tr); if (ret) { warn_failed_init_tracer(trace, ret); - return 0; + return ret; } /* Sleep for a 1/10 of a second */ @@ -634,6 +634,11 @@ trace_selftest_startup_sysprof(struct tracer *trace, struct trace_array *tr) trace->reset(tr); tracing_start(); + if (!ret && !count) { + printk(KERN_CONT ".. no entries found .."); + ret = -1; + } + return ret; } #endif /* CONFIG_SYSPROF_TRACER */ @@ -661,6 +666,11 @@ trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr) trace->reset(tr); tracing_start(); + if (!ret && !count) { + printk(KERN_CONT ".. no entries found .."); + ret = -1; + } + return ret; } #endif /* CONFIG_BRANCH_TRACER */ |
