From: Ian Rogers <irogers@google.com>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Song Liu <songliubraving@fb.com>,
linux-kernel@vger.kernel.org
Cc: Stephane Eranian <eranian@google.com>, Ian Rogers <irogers@google.com>
Subject: [PATCH 1/3] perf skel: Remove some unused variables.
Date: Sat, 6 Mar 2021 00:08:38 -0800 [thread overview]
Message-ID: <20210306080840.3785816-1-irogers@google.com> (raw)
Fixes -Wall warnings.
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c b/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c
index c7cec92d0236..ab12b4c4ece2 100644
--- a/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c
+++ b/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c
@@ -52,7 +52,7 @@ int BPF_PROG(fentry_XXX)
static inline void
fexit_update_maps(struct bpf_perf_event_value *after)
{
- struct bpf_perf_event_value *before, diff, *accum;
+ struct bpf_perf_event_value *before, diff;
__u32 zero = 0;
before = bpf_map_lookup_elem(&fentry_readings, &zero);
@@ -78,7 +78,6 @@ int BPF_PROG(fexit_XXX)
{
struct bpf_perf_event_value reading;
__u32 cpu = bpf_get_smp_processor_id();
- __u32 one = 1, zero = 0;
int err;
/* read all events before updating the maps, to reduce error */
--
2.30.1.766.gb4fecdf3b7-goog
next reply other threads:[~2021-03-06 8:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-06 8:08 Ian Rogers [this message]
2021-03-06 8:08 ` [PATCH 2/3] perf tool: Enable warnings when compiling BPF programs Ian Rogers
2021-03-06 19:33 ` Song Liu
2021-03-06 8:08 ` [PATCH 3/3] perf bpf: Minor whitespace cleanup Ian Rogers
2021-03-06 19:34 ` Song Liu
2021-03-06 12:49 ` [PATCH 1/3] perf skel: Remove some unused variables Arnaldo Carvalho de Melo
2021-03-06 19:33 ` Song Liu
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