From: James Clark <james.clark@arm.com> mainline inclusion from mainline-v6.2-rc1 commit ab6bd55e9968ff063c0ee28f8941903811dee09a category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I85PIL CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... ---------------------------------------------------------------------- This is an error rather than just for the raw trace dump so always print it as an error. Also remove the duplicate header version check. Signed-off-by: James Clark <james.clark@arm.com> Cc: Al Grant <Al.Grant@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20221212155513.2259623-2-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: xiabing <xiabing12@h-partners.com> --- tools/perf/util/cs-etm.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 7f9f786a5b89..982ba436877a 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -2623,14 +2623,7 @@ static void cs_etm__print_auxtrace_info(u64 *val, int num) { int i, cpu = 0, version, err; - /* bail out early on bad header version */ version = val[0]; - if (version > CS_HEADER_CURRENT_VERSION) { - /* failure.. return */ - fprintf(stdout, " Unknown Header Version = %x, ", version); - fprintf(stdout, "Version supported <= %x\n", CS_HEADER_CURRENT_VERSION); - return; - } for (i = 0; i < CS_HEADER_VERSION_MAX; i++) fprintf(stdout, cs_etm_global_header_fmts[i], val[i]); @@ -2916,9 +2909,8 @@ int cs_etm__process_auxtrace_info(union perf_event *event, /* Look for version of the header */ hdr_version = ptr[0]; if (hdr_version > CS_HEADER_CURRENT_VERSION) { - /* print routine will print an error on bad version */ - if (dump_trace) - cs_etm__print_auxtrace_info(auxtrace_info->priv, 0); + pr_err("\nCS ETM Trace: Unknown Header Version = %#" PRIx64, hdr_version); + pr_err(", version supported <= %x\n", CS_HEADER_CURRENT_VERSION); return -EINVAL; } -- 2.30.0