On Fri, Aug 06, 2021 at 02:41:03PM +0100, James Clark wrote:
Extract a function for saving the ETMv4 header because this will be used for ETE in a later commit.
Signed-off-by: James Clark james.clark@arm.com
Reviewed-by: Leo Yan leo.yan@linaro.org
tools/perf/arch/arm/util/cs-etm.c | 46 +++++++++++++++---------------- 1 file changed, 23 insertions(+), 23 deletions(-)
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c index 85168d87b2d7..ecb6fa55a210 100644 --- a/tools/perf/arch/arm/util/cs-etm.c +++ b/tools/perf/arch/arm/util/cs-etm.c @@ -607,6 +607,28 @@ static int cs_etm_get_ro(struct perf_pmu *pmu, int cpu, const char *path) return val; } +static void cs_etm_save_etmv4_header(__u64 data[], struct auxtrace_record *itr, int cpu) +{
- struct cs_etm_recording *ptr = container_of(itr, struct cs_etm_recording, itr);
- struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
- /* Get trace configuration register */
- data[CS_ETMV4_TRCCONFIGR] = cs_etmv4_get_config(itr);
- /* Get traceID from the framework */
- data[CS_ETMV4_TRCTRACEIDR] = coresight_get_trace_id(cpu);
- /* Get read-only information from sysFS */
- data[CS_ETMV4_TRCIDR0] = cs_etm_get_ro(cs_etm_pmu, cpu,
metadata_etmv4_ro[CS_ETMV4_TRCIDR0]);
- data[CS_ETMV4_TRCIDR1] = cs_etm_get_ro(cs_etm_pmu, cpu,
metadata_etmv4_ro[CS_ETMV4_TRCIDR1]);
- data[CS_ETMV4_TRCIDR2] = cs_etm_get_ro(cs_etm_pmu, cpu,
metadata_etmv4_ro[CS_ETMV4_TRCIDR2]);
- data[CS_ETMV4_TRCIDR8] = cs_etm_get_ro(cs_etm_pmu, cpu,
metadata_etmv4_ro[CS_ETMV4_TRCIDR8]);
- data[CS_ETMV4_TRCAUTHSTATUS] = cs_etm_get_ro(cs_etm_pmu, cpu,
metadata_etmv4_ro[CS_ETMV4_TRCAUTHSTATUS]);
+}
static void cs_etm_get_metadata(int cpu, u32 *offset, struct auxtrace_record *itr, struct perf_record_auxtrace_info *info) @@ -620,29 +642,7 @@ static void cs_etm_get_metadata(int cpu, u32 *offset, /* first see what kind of tracer this cpu is affined to */ if (cs_etm_is_etmv4(itr, cpu)) { magic = __perf_cs_etmv4_magic;
/* Get trace configuration register */
info->priv[*offset + CS_ETMV4_TRCCONFIGR] =
cs_etmv4_get_config(itr);
/* Get traceID from the framework */
info->priv[*offset + CS_ETMV4_TRCTRACEIDR] =
coresight_get_trace_id(cpu);
/* Get read-only information from sysFS */
info->priv[*offset + CS_ETMV4_TRCIDR0] =
cs_etm_get_ro(cs_etm_pmu, cpu,
metadata_etmv4_ro[CS_ETMV4_TRCIDR0]);
info->priv[*offset + CS_ETMV4_TRCIDR1] =
cs_etm_get_ro(cs_etm_pmu, cpu,
metadata_etmv4_ro[CS_ETMV4_TRCIDR1]);
info->priv[*offset + CS_ETMV4_TRCIDR2] =
cs_etm_get_ro(cs_etm_pmu, cpu,
metadata_etmv4_ro[CS_ETMV4_TRCIDR2]);
info->priv[*offset + CS_ETMV4_TRCIDR8] =
cs_etm_get_ro(cs_etm_pmu, cpu,
metadata_etmv4_ro[CS_ETMV4_TRCIDR8]);
info->priv[*offset + CS_ETMV4_TRCAUTHSTATUS] =
cs_etm_get_ro(cs_etm_pmu, cpu,
metadata_etmv4_ro
[CS_ETMV4_TRCAUTHSTATUS]);
cs_etm_save_etmv4_header(&info->priv[*offset], itr, cpu);
/* How much space was used */ increment = CS_ETMV4_PRIV_MAX; -- 2.28.0