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authorJames Clark <[email protected]>2022-01-13 09:10:52 +0000
committerArnaldo Carvalho de Melo <[email protected]>2022-02-15 17:15:32 -0300
commitaca8af3c2e8cb57662e6035c0ccb3c111a11d97a (patch)
treed73f422b1f6f3f8b49c4b0c94ba1d36b4da1116e
parent1006c5c1698618b5c7fc1ec57bfffef899d95334 (diff)
perf cs-etm: Update deduction of TRCCONFIGR register for branch broadcast
Now that a config flag for branch broadcast has been added, take it into account when trying to deduce what the driver would have programmed the TRCCONFIGR register to. Reviewed-by: Leo Yan <[email protected]> Reviewed-by: Mike Leach <[email protected]> Reviewed-by: Suzuki Poulouse <[email protected]> Signed-off-by: James Clark <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: John Garry <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Mathieu Poirier <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Will Deacon <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
-rw-r--r--tools/include/linux/coresight-pmu.h2
-rw-r--r--tools/perf/arch/arm/util/cs-etm.c3
2 files changed, 5 insertions, 0 deletions
diff --git a/tools/include/linux/coresight-pmu.h b/tools/include/linux/coresight-pmu.h
index 4ac5c081af93..6c2fd6cc5a98 100644
--- a/tools/include/linux/coresight-pmu.h
+++ b/tools/include/linux/coresight-pmu.h
@@ -18,6 +18,7 @@
* ETMv3.5/PTM doesn't define ETMCR config bits with prefix "ETM3_" and
* directly use below macros as config bits.
*/
+#define ETM_OPT_BRANCH_BROADCAST 8
#define ETM_OPT_CYCACC 12
#define ETM_OPT_CTXTID 14
#define ETM_OPT_CTXTID2 15
@@ -25,6 +26,7 @@
#define ETM_OPT_RETSTK 29
/* ETMv4 CONFIGR programming bits for the ETM OPTs */
+#define ETM4_CFG_BIT_BB 3
#define ETM4_CFG_BIT_CYCACC 4
#define ETM4_CFG_BIT_CTXTID 6
#define ETM4_CFG_BIT_VMID 7
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index 2e8b2c4365a0..cbc555245959 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -510,6 +510,9 @@ static u64 cs_etmv4_get_config(struct auxtrace_record *itr)
if (config_opts & BIT(ETM_OPT_CTXTID2))
config |= BIT(ETM4_CFG_BIT_VMID) |
BIT(ETM4_CFG_BIT_VMID_OPT);
+ if (config_opts & BIT(ETM_OPT_BRANCH_BROADCAST))
+ config |= BIT(ETM4_CFG_BIT_BB);
+
return config;
}