From: John Garry <john.garry@huawei.com> To: <peterz@infradead.org>, <mingo@redhat.com>, <acme@kernel.org>, <alexander.shishkin@linux.intel.com>, <jolsa@redhat.com>, <namhyung@kernel.org>, <tmricht@linux.ibm.com>, <brueckner@linux.ibm.com>, <kan.liang@linux.intel.com>, <ben@decadent.org.uk>, <mathieu.poirier@linaro.org>, <mark.rutland@arm.com>, <will.deacon@arm.com> Cc: <linux-kernel@vger.kernel.org>, <linuxarm@huawei.com>, <linux-arm-kernel@lists.infradead.org>, <zhangshaokun@hisilicon.com>, <ak@linux.intel.com>, John Garry <john.garry@huawei.com> Subject: [PATCH 1/5] perf pmu: Fix uncore PMU alias list for ARM64 Date: Mon, 10 Jun 2019 17:59:28 +0800 [thread overview] Message-ID: <1560160772-210844-2-git-send-email-john.garry@huawei.com> (raw) In-Reply-To: <1560160772-210844-1-git-send-email-john.garry@huawei.com> In 292c34c10249 ("perf pmu: Fix core PMU alias list for X86 platform"), we fixed the issue of CPU events being aliased to uncore events. Fix this same issue for ARM64, since the said commit left the (broken) behaviour untouched for ARM64. Signed-off-by: John Garry <john.garry@huawei.com> --- tools/perf/util/pmu.c | 28 ++++++++++++---------------- 1 file changed, 12 insertions(+), 16 deletions(-) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index e0429f4ef335..036047f56efa 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -709,9 +709,7 @@ static void pmu_add_cpu_aliases(struct list_head *head, struct perf_pmu *pmu) { int i; struct pmu_events_map *map; - struct pmu_event *pe; const char *name = pmu->name; - const char *pname; map = perf_pmu__find_map(pmu); if (!map) @@ -722,28 +720,26 @@ static void pmu_add_cpu_aliases(struct list_head *head, struct perf_pmu *pmu) */ i = 0; while (1) { + const char *cpu_name = is_arm_pmu_core(name) ? name : "cpu"; + struct pmu_event *pe =&map->table[i++]; + const char *pname = pe->pmu ? pe->pmu : cpu_name; - pe = &map->table[i++]; if (!pe->name) { if (pe->metric_group || pe->metric_name) continue; break; } - if (!is_arm_pmu_core(name)) { - pname = pe->pmu ? pe->pmu : "cpu"; - - /* - * uncore alias may be from different PMU - * with common prefix - */ - if (pmu_is_uncore(name) && - !strncmp(pname, name, strlen(pname))) - goto new_alias; + /* + * uncore alias may be from different PMU + * with common prefix + */ + if (pmu_is_uncore(name) && + !strncmp(pname, name, strlen(pname))) + goto new_alias; - if (strcmp(pname, name)) - continue; - } + if (strcmp(pname, name)) + continue; new_alias: /* need type casts to override 'const' */ -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: John Garry <john.garry@huawei.com> To: <peterz@infradead.org>, <mingo@redhat.com>, <acme@kernel.org>, <alexander.shishkin@linux.intel.com>, <jolsa@redhat.com>, <namhyung@kernel.org>, <tmricht@linux.ibm.com>, <brueckner@linux.ibm.com>, <kan.liang@linux.intel.com>, <ben@decadent.org.uk>, <mathieu.poirier@linaro.org>, <mark.rutland@arm.com>, <will.deacon@arm.com> Cc: ak@linux.intel.com, John Garry <john.garry@huawei.com>, linux-kernel@vger.kernel.org, linuxarm@huawei.com, zhangshaokun@hisilicon.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/5] perf pmu: Fix uncore PMU alias list for ARM64 Date: Mon, 10 Jun 2019 17:59:28 +0800 [thread overview] Message-ID: <1560160772-210844-2-git-send-email-john.garry@huawei.com> (raw) In-Reply-To: <1560160772-210844-1-git-send-email-john.garry@huawei.com> In 292c34c10249 ("perf pmu: Fix core PMU alias list for X86 platform"), we fixed the issue of CPU events being aliased to uncore events. Fix this same issue for ARM64, since the said commit left the (broken) behaviour untouched for ARM64. Signed-off-by: John Garry <john.garry@huawei.com> --- tools/perf/util/pmu.c | 28 ++++++++++++---------------- 1 file changed, 12 insertions(+), 16 deletions(-) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index e0429f4ef335..036047f56efa 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -709,9 +709,7 @@ static void pmu_add_cpu_aliases(struct list_head *head, struct perf_pmu *pmu) { int i; struct pmu_events_map *map; - struct pmu_event *pe; const char *name = pmu->name; - const char *pname; map = perf_pmu__find_map(pmu); if (!map) @@ -722,28 +720,26 @@ static void pmu_add_cpu_aliases(struct list_head *head, struct perf_pmu *pmu) */ i = 0; while (1) { + const char *cpu_name = is_arm_pmu_core(name) ? name : "cpu"; + struct pmu_event *pe =&map->table[i++]; + const char *pname = pe->pmu ? pe->pmu : cpu_name; - pe = &map->table[i++]; if (!pe->name) { if (pe->metric_group || pe->metric_name) continue; break; } - if (!is_arm_pmu_core(name)) { - pname = pe->pmu ? pe->pmu : "cpu"; - - /* - * uncore alias may be from different PMU - * with common prefix - */ - if (pmu_is_uncore(name) && - !strncmp(pname, name, strlen(pname))) - goto new_alias; + /* + * uncore alias may be from different PMU + * with common prefix + */ + if (pmu_is_uncore(name) && + !strncmp(pname, name, strlen(pname))) + goto new_alias; - if (strcmp(pname, name)) - continue; - } + if (strcmp(pname, name)) + continue; new_alias: /* need type casts to override 'const' */ -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-06-10 10:01 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-06-10 9:59 [PATCH 0/5] Perf uncore PMU event alias support for Hisi hip08 ARM64 platform John Garry 2019-06-10 9:59 ` John Garry 2019-06-10 9:59 ` John Garry [this message] 2019-06-10 9:59 ` [PATCH 1/5] perf pmu: Fix uncore PMU alias list for ARM64 John Garry 2019-06-10 9:59 ` [PATCH 2/5] perf pmu: Support more complex PMU event aliasing John Garry 2019-06-10 9:59 ` John Garry 2019-06-11 16:10 ` Jiri Olsa 2019-06-11 16:10 ` Jiri Olsa 2019-06-11 16:22 ` John Garry 2019-06-11 16:22 ` John Garry 2019-06-10 9:59 ` [PATCH 3/5] perf jevents: Add support for Hisi hip08 DDRC PMU aliasing John Garry 2019-06-10 9:59 ` John Garry 2019-06-10 9:59 ` [PATCH 4/5] perf jevents: Add support for Hisi hip08 HHA " John Garry 2019-06-10 9:59 ` John Garry 2019-06-10 9:59 ` [PATCH 5/5] perf jevents: Add support for Hisi hip08 L3C " John Garry 2019-06-10 9:59 ` John Garry
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