From: Kajol Jain <kjain@linux.ibm.com> To: acme@kernel.org, mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, anju@linux.vnet.ibm.com, maddy@linux.vnet.ibm.com, ravi.bangoria@linux.ibm.com, peterz@infradead.org, yao.jin@linux.intel.com, ak@linux.intel.com, jolsa@kernel.org, kan.liang@linux.intel.com, jmario@redhat.com, alexander.shishkin@linux.intel.com, mingo@kernel.org, paulus@ozlabs.org, namhyung@kernel.org, mpetlan@redhat.com, gregkh@linuxfoundation.org, kjain@linux.ibm.com, benh@kernel.crashing.org Subject: [RFC 2/6] powerpc/hv-24x7: Add sysfs files inside hv-24x7 device to show processor details Date: Fri, 17 Jan 2020 18:16:16 +0530 [thread overview] Message-ID: <20200117124620.26094-3-kjain@linux.ibm.com> (raw) In-Reply-To: <20200117124620.26094-1-kjain@linux.ibm.com> To expose the system dependent parameter like total number of sockets and numbers of chips per socket, patch adds two sysfs files. "sockets" and "chips" are added to /sys/devices/hv_24x7/interface/ of the "hv_24x7" pmu. Signed-off-by: Kajol Jain <kjain@linux.ibm.com> --- arch/powerpc/perf/hv-24x7.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 64d9fc526d68..e498824eb4f7 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -450,6 +450,20 @@ static ssize_t device_show_string(struct device *dev, return sprintf(buf, "%s\n", (char *)d->var); } +#ifdef CONFIG_PPC_RTAS +static ssize_t sockets_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", physsockets); +} + +static ssize_t chips_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%d\n", physchips); +} +#endif + static struct attribute *device_str_attr_create_(char *name, char *str) { struct dev_ext_attribute *attr = kzalloc(sizeof(*attr), GFP_KERNEL); @@ -1096,6 +1110,10 @@ PAGE_0_ATTR(catalog_len, "%lld\n", (unsigned long long)be32_to_cpu(page_0->length) * 4096); static BIN_ATTR_RO(catalog, 0/* real length varies */); static DEVICE_ATTR_RO(domains); +#ifdef CONFIG_PPC_RTAS +static DEVICE_ATTR_RO(sockets); +static DEVICE_ATTR_RO(chips); +#endif static struct bin_attribute *if_bin_attrs[] = { &bin_attr_catalog, @@ -1106,6 +1124,10 @@ static struct attribute *if_attrs[] = { &dev_attr_catalog_len.attr, &dev_attr_catalog_version.attr, &dev_attr_domains.attr, +#ifdef CONFIG_PPC_RTAS + &dev_attr_sockets.attr, + &dev_attr_chips.attr, +#endif NULL, }; -- 2.18.1
WARNING: multiple messages have this Message-ID (diff)
From: Kajol Jain <kjain@linux.ibm.com> To: acme@kernel.org, mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org Cc: ravi.bangoria@linux.ibm.com, maddy@linux.vnet.ibm.com, jmario@redhat.com, mpetlan@redhat.com, peterz@infradead.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, alexander.shishkin@linux.intel.com, linux-perf-users@vger.kernel.org, ak@linux.intel.com, yao.jin@linux.intel.com, anju@linux.vnet.ibm.com, jolsa@kernel.org, kjain@linux.ibm.com, namhyung@kernel.org, mingo@kernel.org, kan.liang@linux.intel.com Subject: [RFC 2/6] powerpc/hv-24x7: Add sysfs files inside hv-24x7 device to show processor details Date: Fri, 17 Jan 2020 18:16:16 +0530 [thread overview] Message-ID: <20200117124620.26094-3-kjain@linux.ibm.com> (raw) In-Reply-To: <20200117124620.26094-1-kjain@linux.ibm.com> To expose the system dependent parameter like total number of sockets and numbers of chips per socket, patch adds two sysfs files. "sockets" and "chips" are added to /sys/devices/hv_24x7/interface/ of the "hv_24x7" pmu. Signed-off-by: Kajol Jain <kjain@linux.ibm.com> --- arch/powerpc/perf/hv-24x7.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 64d9fc526d68..e498824eb4f7 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -450,6 +450,20 @@ static ssize_t device_show_string(struct device *dev, return sprintf(buf, "%s\n", (char *)d->var); } +#ifdef CONFIG_PPC_RTAS +static ssize_t sockets_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", physsockets); +} + +static ssize_t chips_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%d\n", physchips); +} +#endif + static struct attribute *device_str_attr_create_(char *name, char *str) { struct dev_ext_attribute *attr = kzalloc(sizeof(*attr), GFP_KERNEL); @@ -1096,6 +1110,10 @@ PAGE_0_ATTR(catalog_len, "%lld\n", (unsigned long long)be32_to_cpu(page_0->length) * 4096); static BIN_ATTR_RO(catalog, 0/* real length varies */); static DEVICE_ATTR_RO(domains); +#ifdef CONFIG_PPC_RTAS +static DEVICE_ATTR_RO(sockets); +static DEVICE_ATTR_RO(chips); +#endif static struct bin_attribute *if_bin_attrs[] = { &bin_attr_catalog, @@ -1106,6 +1124,10 @@ static struct attribute *if_attrs[] = { &dev_attr_catalog_len.attr, &dev_attr_catalog_version.attr, &dev_attr_domains.attr, +#ifdef CONFIG_PPC_RTAS + &dev_attr_sockets.attr, + &dev_attr_chips.attr, +#endif NULL, }; -- 2.18.1
next prev parent reply other threads:[~2020-01-17 12:46 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-17 12:46 [RFC 0/6] powerpc/perf: Add json file metric support for the hv_24x7 socket/chip level events Kajol Jain 2020-01-17 12:46 ` Kajol Jain 2020-01-17 12:46 ` [RFC 1/6] powerpc/hv-24x7: Add rtas call in hv-24x7 driver to get processor details Kajol Jain 2020-01-17 12:46 ` Kajol Jain 2020-01-17 12:46 ` Kajol Jain [this message] 2020-01-17 12:46 ` [RFC 2/6] powerpc/hv-24x7: Add sysfs files inside hv-24x7 device to show " Kajol Jain 2020-01-17 12:46 ` [RFC 3/6] Documentation/ABI: Add ABI documentation for chips and sockets Kajol Jain 2020-01-17 12:46 ` Kajol Jain 2020-01-17 12:46 ` [RFC 4/6] powerpc/hv-24x7: Handle migration case of lpar for proper system information in sysfs Kajol Jain 2020-01-17 12:46 ` Kajol Jain 2020-01-17 12:46 ` [RFC 5/6] perf/tools: Enhance JSON/metric infrastructure to handle "?" Kajol Jain 2020-01-17 12:46 ` Kajol Jain 2020-01-17 16:28 ` Andi Kleen 2020-01-17 16:28 ` Andi Kleen 2020-01-21 10:17 ` kajoljain 2020-01-21 10:17 ` kajoljain 2020-01-21 19:42 ` Andi Kleen 2020-01-21 19:42 ` Andi Kleen 2020-01-17 12:46 ` [RFC 6/6] perf/tools/pmu-events/powerpc: Add hv_24x7 socket/chip level metric events Kajol Jain 2020-01-17 12:46 ` Kajol Jain
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