From: German Gomez <german.gomez@arm.com>
To: linux-eng@arm.com
Cc: james.clark@arm.com, German Gomez <german.gomez@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] perf: arm_spe: Enable CONTEXT packets if profiling in CPU mode
Date: Thu, 13 Jan 2022 17:54:17 +0000 [thread overview]
Message-ID: <20220113175417.5523-3-german.gomez@arm.com> (raw)
In-Reply-To: <20220113175417.5523-1-german.gomez@arm.com>
Enable CONTEXT packets in SPE traces if the profiler runs in CPU mode.
Signed-off-by: German Gomez <german.gomez@arm.com>
---
drivers/perf/arm_spe_pmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 8515bf85c..7d9a7fa4f 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -711,7 +711,7 @@ static int arm_spe_pmu_event_init(struct perf_event *event)
!(spe_pmu->features & SPE_PMU_FEAT_FILT_LAT))
return -EOPNOTSUPP;
- spe_pmu->pmscr_cx = perfmon_capable();
+ spe_pmu->pmscr_cx = perfmon_capable() || (event->cpu != -1);
reg = arm_spe_event_to_pmscr(event);
if (!perfmon_capable() &&
(reg & (BIT(SYS_PMSCR_EL1_PA_SHIFT) |
--
2.25.1
next prev parent reply other threads:[~2022-01-13 17:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-13 17:54 [PATCH 0/2] perf: arm_spe: make the PMSCR CX bit[3] consistent across the session German Gomez
2022-01-13 17:54 ` [PATCH 1/2] " German Gomez
2022-01-13 17:54 ` German Gomez [this message]
2022-01-14 9:31 ` [PATCH 0/2] " German Gomez
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