* [PATCH 5/6] s390,perf: Use common PMU interrupt disabled code
@ 2014-06-15 6:05 Vince Weaver
2014-06-19 12:38 ` [tip:perf/core] s390, perf: " tip-bot for Vince Weaver
2014-06-19 17:39 ` tip-bot for Vince Weaver
0 siblings, 2 replies; 3+ messages in thread
From: Vince Weaver @ 2014-06-15 6:05 UTC (permalink / raw)
To: linux-kernel
Cc: Peter Zijlstra, Ingo Molnar, Hendrik Brueckner,
Martin Schwidefsky, Heiko Carstens
Transition to using the new generic PERF_PMU_CAP_NO_INTERRUPT method for
failing a sampling event when no PMU interrupt is available.
Signed-off-by: Vince Weaver <vincent.weaver@maine.edu>
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index ea75d01..d3194de 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -411,12 +411,6 @@ static int cpumf_pmu_event_init(struct perf_event *event)
case PERF_TYPE_HARDWARE:
case PERF_TYPE_HW_CACHE:
case PERF_TYPE_RAW:
- /* The CPU measurement counter facility does not have overflow
- * interrupts to do sampling. Sampling must be provided by
- * external means, for example, by timers.
- */
- if (is_sampling_event(event))
- return -ENOENT;
err = __hw_perf_event_init(event);
break;
default:
@@ -681,6 +675,12 @@ static int __init cpumf_pmu_init(void)
goto out;
}
+ /* The CPU measurement counter facility does not have overflow
+ * interrupts to do sampling. Sampling must be provided by
+ * external means, for example, by timers.
+ */
+ cpumf_pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
+
cpumf_pmu.attr_groups = cpumf_cf_event_group();
rc = perf_pmu_register(&cpumf_pmu, "cpum_cf", PERF_TYPE_RAW);
if (rc) {
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [tip:perf/core] s390, perf: Use common PMU interrupt disabled code
2014-06-15 6:05 [PATCH 5/6] s390,perf: Use common PMU interrupt disabled code Vince Weaver
@ 2014-06-19 12:38 ` tip-bot for Vince Weaver
2014-06-19 17:39 ` tip-bot for Vince Weaver
1 sibling, 0 replies; 3+ messages in thread
From: tip-bot for Vince Weaver @ 2014-06-19 12:38 UTC (permalink / raw)
To: linux-tip-commits
Cc: linux-kernel, brueckner, hpa, mingo, schwidefsky, peterz, thuth,
vincent.weaver, heiko.carstens, tglx, paul.gortmaker
Commit-ID: d7302ac28ba24eeac512c8f45107c962c701eb38
Gitweb: http://git.kernel.org/tip/d7302ac28ba24eeac512c8f45107c962c701eb38
Author: Vince Weaver <vincent.weaver@maine.edu>
AuthorDate: Sun, 15 Jun 2014 02:05:23 -0400
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 18 Jun 2014 18:43:47 +0200
s390, perf: Use common PMU interrupt disabled code
Transition to using the new generic PERF_PMU_CAP_NO_INTERRUPT method for
failing a sampling event when no PMU interrupt is available.
Signed-off-by: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Thomas Huth <thuth@linux.vnet.ibm.com>
Cc: linux390@de.ibm.com
Cc: linux-s390@vger.kernel.org
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1406150204290.16738@vincent-weaver-1.umelst.maine.edu
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/s390/kernel/perf_cpum_cf.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index ea75d01..d3194de 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -411,12 +411,6 @@ static int cpumf_pmu_event_init(struct perf_event *event)
case PERF_TYPE_HARDWARE:
case PERF_TYPE_HW_CACHE:
case PERF_TYPE_RAW:
- /* The CPU measurement counter facility does not have overflow
- * interrupts to do sampling. Sampling must be provided by
- * external means, for example, by timers.
- */
- if (is_sampling_event(event))
- return -ENOENT;
err = __hw_perf_event_init(event);
break;
default:
@@ -681,6 +675,12 @@ static int __init cpumf_pmu_init(void)
goto out;
}
+ /* The CPU measurement counter facility does not have overflow
+ * interrupts to do sampling. Sampling must be provided by
+ * external means, for example, by timers.
+ */
+ cpumf_pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
+
cpumf_pmu.attr_groups = cpumf_cf_event_group();
rc = perf_pmu_register(&cpumf_pmu, "cpum_cf", PERF_TYPE_RAW);
if (rc) {
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [tip:perf/core] s390, perf: Use common PMU interrupt disabled code
2014-06-15 6:05 [PATCH 5/6] s390,perf: Use common PMU interrupt disabled code Vince Weaver
2014-06-19 12:38 ` [tip:perf/core] s390, perf: " tip-bot for Vince Weaver
@ 2014-06-19 17:39 ` tip-bot for Vince Weaver
1 sibling, 0 replies; 3+ messages in thread
From: tip-bot for Vince Weaver @ 2014-06-19 17:39 UTC (permalink / raw)
To: linux-tip-commits
Cc: linux-kernel, brueckner, hpa, mingo, schwidefsky, peterz, thuth,
vincent.weaver, heiko.carstens, tglx, paul.gortmaker
Commit-ID: 97b1198fece06d495270222bcf5fde4c8cb0b5b0
Gitweb: http://git.kernel.org/tip/97b1198fece06d495270222bcf5fde4c8cb0b5b0
Author: Vince Weaver <vincent.weaver@maine.edu>
AuthorDate: Sun, 15 Jun 2014 02:05:23 -0400
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 19 Jun 2014 19:37:50 +0200
s390, perf: Use common PMU interrupt disabled code
Transition to using the new generic PERF_PMU_CAP_NO_INTERRUPT method for
failing a sampling event when no PMU interrupt is available.
Signed-off-by: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Thomas Huth <thuth@linux.vnet.ibm.com>
Cc: linux390@de.ibm.com
Cc: linux-s390@vger.kernel.org
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1406150204290.16738@vincent-weaver-1.umelst.maine.edu
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/s390/kernel/perf_cpum_cf.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index ea75d01..d3194de 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -411,12 +411,6 @@ static int cpumf_pmu_event_init(struct perf_event *event)
case PERF_TYPE_HARDWARE:
case PERF_TYPE_HW_CACHE:
case PERF_TYPE_RAW:
- /* The CPU measurement counter facility does not have overflow
- * interrupts to do sampling. Sampling must be provided by
- * external means, for example, by timers.
- */
- if (is_sampling_event(event))
- return -ENOENT;
err = __hw_perf_event_init(event);
break;
default:
@@ -681,6 +675,12 @@ static int __init cpumf_pmu_init(void)
goto out;
}
+ /* The CPU measurement counter facility does not have overflow
+ * interrupts to do sampling. Sampling must be provided by
+ * external means, for example, by timers.
+ */
+ cpumf_pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
+
cpumf_pmu.attr_groups = cpumf_cf_event_group();
rc = perf_pmu_register(&cpumf_pmu, "cpum_cf", PERF_TYPE_RAW);
if (rc) {
^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2014-06-19 17:41 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-06-15 6:05 [PATCH 5/6] s390,perf: Use common PMU interrupt disabled code Vince Weaver
2014-06-19 12:38 ` [tip:perf/core] s390, perf: " tip-bot for Vince Weaver
2014-06-19 17:39 ` tip-bot for Vince Weaver
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox