Re: [PATCH v7 7/7] powerpc/perf/hv-24x7: Document sysfs event description entries

On Fri, Jan 30, 2015 at 4:46 PM, Sukadev Bhattiprolu wrote: > From: Cody P Schafer > > Signed-off-by: Cody P Schafer > Signed-off-by: Sukadev Bhattiprolu > --- > Changelog[v6] > Update Contact info to Linux on Power Developer list > > .../testing/sysfs-bus-e

Re: [PATCH v5 1/4] tools/perf: support parsing parameterized events

On Thu, Dec 4, 2014 at 7:44 AM, Jiri Olsa wrote: > On Tue, Dec 02, 2014 at 06:09:35PM -0800, Sukadev Bhattiprolu wrote: >> From: Cody P Schafer >> >> Enable event specification like: >> >> pmu/event_name,param1=0x1,param2=0x4/ >> >> Assuming t

Re: [PATCH v5 6/6] powerpc/perf/hv-24x7: Document sysfs event description entries

sting/sysfs-bus-event_source-devices-hv_24x7 > @@ -21,3 +21,25 @@ Contact: Linux on PowerPC Developer List > > +Contact: Cody P Schafer Probably want someone else to be the contact here. ___ Linuxppc-dev mailing list Linuxppc-de

Re: [PATCH v4 10/10] powerpc/perf/hv-24x7: Document sysfs event description entries

> +What: /sys/bus/event_source/devices/hv_24x7/event_descs/ > +Date: February 2014 > +Contact: Cody P Schafer May want to change this contact email to an address that still works (perhaps the ppc devel list?) ___ Lin

Re: [PATCH 11/16] byteorder: provide a linux/byteorder.h with {be, le}_to_cpu() and cpu_to_{be, le}() macros

On Wed, May 28, 2014 at 6:00 PM, Joe Perches wrote: > On Wed, 2014-05-28 at 17:11 -0500, Cody P Schafer wrote: >> On Wed, May 28, 2014 at 5:05 PM, Cody P Schafer wrote: >> > On Wed, May 28, 2014 at 3:45 AM, David Laight >> > wrote: >> >> From: Cody P Sc

Re: [PATCH 11/16] byteorder: provide a linux/byteorder.h with {be, le}_to_cpu() and cpu_to_{be, le}() macros

On Wed, May 28, 2014 at 5:05 PM, Cody P Schafer wrote: > On Wed, May 28, 2014 at 3:45 AM, David Laight wrote: >> From: Cody P Schafer >>> Rather manually specifying the size of the integer to be converted, key >>> off of the type size. Reduces duplicate size info and t

Re: [PATCH 11/16] byteorder: provide a linux/byteorder.h with {be,le}_to_cpu() and cpu_to_{be,le}() macros

On Tue, May 27, 2014 at 7:44 PM, Joe Perches wrote: > On Tue, 2014-05-27 at 17:22 -0700, Cody P Schafer wrote: >> Rather manually specifying the size of the integer to be converted, key >> off of the type size. Reduces duplicate size info and the occurance of >> certain typ

Re: [PATCH 11/16] byteorder: provide a linux/byteorder.h with {be, le}_to_cpu() and cpu_to_{be, le}() macros

On Wed, May 28, 2014 at 3:45 AM, David Laight wrote: > From: Cody P Schafer >> Rather manually specifying the size of the integer to be converted, key >> off of the type size. Reduces duplicate size info and the occurance of >> certain types of bugs (using the w

[PATCH 15/16] powerpc/perf/{hv-gpci, hv-common}: generate requests with counters annotated

exchange for this macro disaster, we get autogenerated event listing for GPCI in sysfs, build time field offset checking, and zero duplication of information about GPCI requests. CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-common.c | 10 +- arch

[PATCH 16/16] powerpc/perf/hv-gpci: add the remaining gpci requests

Add the remaining gpci requests that contain counters suitable for use by perf. Omit those that don't contain any counters (but note their ommision). CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-gpci-requests.h | 179 +++ 1

[PATCH 14/16] perf: add PMU_EVENT_ATTR_STRING() helper

Helper for constructing static struct perf_pmu_events_attr s. CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- include/linux/perf_event.h | 7 +++ 1 file changed, 7 insertions(+) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 6c1d6dd..1313171 100644

[PATCH 13/16] powerpc/perf/hv-24x7: Documentaion for new sysfs entries which expose descriptions

CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- .../testing/sysfs-bus-event_source-devices-hv_24x7 | 22 ++ 1 file changed, 22 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 b/Documentation/ABI/testing/sysfs-bus

[PATCH 12/16] powerpc/perf/hv-24x7: parse catalog and populate sysfs with events

we'll also need to prevent old events from continuing to function (counter that is passed in via spare space in the config values?). CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7-catalog.h | 25 ++ arch/powerpc/perf/hv-24x7-domains.h | 19 + arch/po

[PATCH 11/16] byteorder: provide a linux/byteorder.h with {be, le}_to_cpu() and cpu_to_{be, le}() macros

Rather manually specifying the size of the integer to be converted, key off of the type size. Reduces duplicate size info and the occurance of certain types of bugs (using the wrong sized conversion). CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- include/linux/byteorder.h | 34

[PATCH 10/16] perf: provide sysfs_show for struct perf_pmu_events_attr

(struct perf_pmu_events_attr) is defined in include/linux/perf_event.h, but the only "show" for it is in x86 and contains x86 specific stuff. Make a generic one for those of us who are just using the event_str. CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- inc

[PATCH 09/16] tools/perf: document parameterized events and note symbolically formed events

CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- tools/perf/Documentation/perf-list.txt | 13 + tools/perf/Documentation/perf-record.txt | 5 + 2 files changed, 18 insertions(+) diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf

[PATCH 08/16] tools/perf: extend format_alias() to include event parameters

Signed-off-by: Cody P Schafer --- tools/perf/util/pmu.c | 26 +- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index db53fac..7b8d067 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -741,10

[PATCH 06/16] tools/perf: annotate list_head with type info

CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- tools/perf/util/pmu.c | 4 ++-- tools/perf/util/pmu.h | 6 +++--- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 00a7dcb..906ae40 100644 --- a/tools/perf/util/pmu.c

[PATCH 07/16] tools/perf: support parsing parameterized events

Enable event specification like: pmu/event_name,param1=0x1,param2=0x4/ Assuming that /sys/bus/event_source/devices/pmu/events/event_name Contains something like bar=param2,foo=1,baz=param1 CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- tools/perf/util

[PATCH 05/16] perf Documentation: add event parameters

#x27;t possible because bindings between our cpus and physical cpus may not be fixed, and we probably won't have a "cpu" on each physical cpu. CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- Documentation/ABI/testing/sysfs-bus-event_source-devices-events | 6 ++ 1 fi

[PATCH 04/16] perf Documentation: remove duplicated docs for powerpc cpu specific events

tents. CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- .../testing/sysfs-bus-event_source-devices-events | 573 - 1 file changed, 573 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-events b/Documentation/ABI/testing/sysfs-bus-ev

[PATCH 03/16] perf Documentation: sysfs events/ interfaces

Add documentation for the , .scale, and .unit files in sysfs. .scale and .unit were undocumented. was previously documented only for specific powerpc pmu events. CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- .../testing/sysfs-bus-event_source-devices-events | 60

[PATCH 02/16] powerpc/perf/hv-24x7: use kmem_cache instead of aligned stack allocations

Cody P Schafer --- arch/powerpc/perf/hv-24x7.c | 52 - 1 file changed, 37 insertions(+), 15 deletions(-) diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index e0766b8..9a7a830 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b

[PATCH 01/16] tools/perf: allow overriding sysfs and proc finding with env var

SYSFS_PATH and PROC_PATH environment variables now let the user override the detection of sysfs and proc locations for testing purposes. CC: Sukadev Bhattiprolu Signed-off-by: Cody P Schafer --- tools/lib/api/fs/fs.c | 43 ++- 1 file changed, 42

[PATCH 00/16] perf: add support for parameterized events from sysfs (powerpc 24x7)

example: hv_gpci/dtbp_ptitc,phys_processor_idx=?/ This means that when provided as an event, a value for phys_processor_idx must also be supplied. For example: perf stat -e 'hv_gpci/dtbp_ptitc,phys_processor_idx=0x2/' ... Cody P Schafer (16)

Re: [PATCH v2] powerpc/perf/hv-24x7: use kmem_cache instead of aligned stack allocations

On 05/22/2014 04:49 PM, Stephen Rothwell wrote: Hi Cody, On Thu, 22 May 2014 15:44:25 -0700 Cody P Schafer wrote: if (ret) { if (success_expected) pr_err_ratelimited("hcall failed: %d %#x %#x %d => 0x%lx (%ld) detail=0x%x failing

[PATCH v2] powerpc/perf/hv-24x7: use kmem_cache instead of aligned stack allocations

Ian pointed out the use of __aligned(4096) caused rather large stack consumption in single_24x7_request(), so use the kmem_cache hv_page_cache (which we've already got set up for other allocations) insead of allocating locally. Reported-by: Ian Munsie Signed-off-by: Cody P Schafer ---

Re: [PATCH] powerpc/perf/hv-24x7: use kmem_cache instead of aligned stack allocations

On 05/22/2014 03:38 PM, Stephen Rothwell wrote: Hi Cody, On Thu, 22 May 2014 15:29:08 -0700 Cody P Schafer wrote: - *res = be64_to_cpu(result_buffer.result); + *res = be64_to_cpu(result_buffer->result); + kfree(result_buffer); + kfree(request_buffer); + ret

[PATCH] powerpc/perf/hv-24x7: use kmem_cache instead of aligned stack allocations

Ian pointed out the use of __aligned(4096) caused rather large stack consumption in single_24x7_request(), so use the kmem_cache hv_page_cache (which we've already got set up for other allocations) insead of allocating locally. Reported-by: Ian Munsie Signed-off-by: Cody P Schafer ---

Re: [PATCH v4 09/11] powerpc/perf: add support for the hv 24x7 interface

On 05/22/2014 01:19 AM, Ian Munsie wrote: Hi Cody, I just tried building this with gcc 4.5, which failed with the following warning (treated as an error): cc1: warnings being treated as errors arch/powerpc/perf/hv-24x7.c: In function 'single_24x7_request': arch/powerpc/perf/hv-24x7.c:346:1: err

Re: [PATCH] powerpc/pseries: relocate "config DTL" so KConfig nests properly

look at the KConfig to find out that config DTL depends on config PPC_SPLPAR. Essentially, this enables menuconfig to provide a visual hint about the dependencies between options. Mikey On Mon, 2014-05-12 at 20:09 -0700, Cody P Schafer wrote: Signed-off-by: Cody P Schafer --- arch/powerpc/

[PATCH] powerpc/pseries: relocate "config DTL" so KConfig nests properly

Signed-off-by: Cody P Schafer --- arch/powerpc/platforms/pseries/Kconfig | 20 ++-- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index 2cb8b77..e00dd4d 100644 --- a/arch/powerpc

Re: [PATCH v2 6/6] powerpc/perf/hv-24x7: catalog version number is be64, not be32

On 04/27/2014 09:47 PM, Benjamin Herrenschmidt wrote: On Tue, 2014-04-15 at 10:10 -0700, Cody P Schafer wrote: The catalog version number was changed from a be32 (with proceeding 32bits of padding) to a be64, update the code to treat it as a be64 Signed-off-by: Cody P Schafer -- Have you

[PATCH v2 6/6] powerpc/perf/hv-24x7: catalog version number is be64, not be32

The catalog version number was changed from a be32 (with proceeding 32bits of padding) to a be64, update the code to treat it as a be64 Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7.c | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/perf/hv

[PATCH v2 2/6] powerpc/perf/hv_gpci: probe failures use pr_debug(), and padding reduced

fixup for "powerpc/perf: Add support for the hv gpci (get performance counter info) interface". Makes the "not enabled" message less awful (and hidden unless debugging). Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-gpci.c | 4 ++-- 1 file changed, 2 insert

[PATCH v2 1/6] powerpc/perf/hv_24x7: probe errors changed to pr_debug(), padding fixed

fixup for "powerpc/perf: Add support for the hv 24x7 interface" Makes the "not enabled" message less awful (and hides it in most cases). Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/

[PATCH v2 5/6] powerpc/perf/hv-24x7: remove [static 4096], sparse chokes on it

Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 3e8f60a..95a67f8 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -170,7

[PATCH v2 4/6] powerpc/perf/hv-24x7: use (unsigned long) not (u32) values when calling plpar_hcall_norets()

Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7.c | 20 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index f5bca73..3e8f60a 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc

[PATCH v2 3/6] powerpc/perf/hv-gpci: make device attr static

Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-gpci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c index 8fee1dc..c9d399a 100644 --- a/arch/powerpc/perf/hv-gpci.c +++ b/arch/powerpc/perf/hv-gpci.c @@ -78,7

[PATCH v2 0/6] powerpc/perf/hv_{gpci,24x7}: fixes

- 24x7 and gpci probing now uses pr_debug() and doesn't pad to 80 characters - Catalog access is fixed for LE kernels - remove c99 feature sparse doesn't like - 1 device attr made static Cody P Schafer (6): powerpc/perf/hv_24x7: probe errors changed to pr_debug(), padding

[PATCH 0/2] powerpc/perf: fixup 2 patches from the 24x7 series

kept them as pr_info() instead of converting to pr_debug(). Cody P Schafer (2): fixup: "powerpc/perf: Add support for the hv 24x7 interface" fixup: "powerpc/perf: Add support for the hv gpci (get performance counter info) interface" arch/powerpc/perf/hv-24x7.c | 2 +

[PATCH 1/2] fixup: "powerpc/perf: Add support for the hv 24x7 interface"

Make the "not enabled" message less awful. Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 297c9105..3246ea2 100644 --- a/arch/powerpc/perf

[PATCH 2/2] fixup: "powerpc/perf: Add support for the hv gpci (get performance counter info) interface"

Make the "not enabled" message less awful. Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-gpci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c index 278ba7b..f6c471d 100644 --- a/arch/powerpc/perf

Re: [PATCH v4 09/11] powerpc/perf: add support for the hv 24x7 interface

On 03/25/2014 03:43 AM, Anton Blanchard wrote: Hi Cody, hv-24x7: could not obtain capabilities, error 0x fffe, not enabling hv-gpci: could not obtain capabilities, error 0x

Re: [PATCH v4 09/11] powerpc/perf: add support for the hv 24x7 interface

On 03/25/2014 03:43 AM, Anton Blanchard wrote: Hi Cody, hv-24x7: could not obtain capabilities, error 0x fffe, not enabling hv-gpci: could not obtain capabilities, error 0x

[PATCH 0/2] perf: add documentation for sysfs interfaces

re instead (acme, feel like making one?). -- Cody P Schafer (2): perf Documentation: sysfs events/ interfaces perf Documentation: remove duplicated docs for powerpc cpu specific events .../testing/sysfs-bus-event_source-devices-events | 92 +++--- 1 file changed, 47 inserti

[PATCH 2/2] perf Documentation: remove duplicated docs for powerpc cpu specific events

ned-off-by: Cody P Schafer --- .../testing/sysfs-bus-event_source-devices-events | 57 -- 1 file changed, 57 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-events b/Documentation/ABI/testing/sysfs-bus-event_source-devices-events index

[PATCH 1/2] perf Documentation: sysfs events/ interfaces

inevitably) add more 'event.' files. Signed-off-by: Cody P Schafer --- .../testing/sysfs-bus-event_source-devices-events | 59 ++ 1 file changed, 59 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-events b/Documentat

Re: [PATCH v3 02/11] perf: add PMU_FORMAT_RANGE() helper for use by sw-like pmus

On 03/04/2014 12:09 AM, Cody P Schafer wrote: On 03/03/2014 09:19 PM, Michael Ellerman wrote: On Thu, 2014-27-02 at 21:04:55 UTC, Cody P Schafer wrote: Add PMU_FORMAT_RANGE() and PMU_FORMAT_RANGE_RESERVED() (for reserved areas) which generate functions to extract the relevent bits from event

[PATCH v4 11/11] powerpc/perf/hv_{gpci, 24x7}: add documentation of device attributes

gpci and 24x7 expose some device specific attributes. Add some documentation for them. Signed-off-by: Cody P Schafer --- .../testing/sysfs-bus-event_source-devices-hv_24x7 | 23 .../testing/sysfs-bus-event_source-devices-hv_gpci | 43 ++ 2 files changed, 66

[PATCH v4 10/11] powerpc/perf: add kconfig option for hypervisor provided counters

Signed-off-by: Cody P Schafer --- arch/powerpc/perf/Makefile | 2 ++ arch/powerpc/platforms/pseries/Kconfig | 12 2 files changed, 14 insertions(+) diff --git a/arch/powerpc/perf/Makefile b/arch/powerpc/perf/Makefile index 60d71ee..f9c083a 100644 --- a/arch/powerpc

[PATCH v4 09/11] powerpc/perf: add support for the hv 24x7 interface

7; ' sleep 0.1 Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7.c | 493 1 file changed, 493 insertions(+) create mode 100644 arch/powerpc/perf/hv-24x7.c diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c new fi

[PATCH v4 08/11] powerpc/perf: add support for the hv gpci (get performance counter info) interface

dex=0,starting_index=0x,request=0x10/' -r 0 -C 0 -x ' ' sleep 0.1 Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-gpci.c | 277 1 file changed, 277 insertions(+) create mode 100644 arch/powerpc/perf/hv-gpci.c diff --git a/arch/po

[PATCH v4 07/11] powerpc/perf: add a shared interface to get gpci version and capabilities

s are simply exposed in sysfs to inform the user. Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-common.c | 39 +++ arch/powerpc/perf/hv-common.h | 17 + 2 files changed, 56 insertions(+) create mode 100644 arch/powerpc/perf/hv-common.c c

[PATCH v4 06/11] powerpc/perf: add 24x7 interface headers

n overflow, these are completely disjoint from the typical power pmu. This method of obtaining performance counters from the hypervisor is intended to paritialy replace the gpci interface. Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7-catalog.h | 33 +++ arch/powerpc/perf

[PATCH v4 05/11] powerpc/perf: add hv_gpci interface header

n linux at this time. Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-gpci.h | 73 + 1 file changed, 73 insertions(+) create mode 100644 arch/powerpc/perf/hv-gpci.h diff --git a/arch/powerpc/perf/hv-gpci.h b/arch/powerpc/perf/hv-gpci.h new

[PATCH v4 01/11] sysfs: create bin_attributes under the requested group

shows that no one is using bin_attrs in a named attribute group yet, so we can do this without breaking anything in usespace. Note that I do not add is_visible() support to bin_attributes, though that could be done as well. Signed-off-by: Cody P Schafer Signed-off-by: Greg Kroah-Hartman

[PATCH v4 04/11] powerpc: add hvcalls for 24x7 and gpci (get performance counter info)

Signed-off-by: Cody P Schafer --- arch/powerpc/include/asm/hvcall.h | 5 + 1 file changed, 5 insertions(+) diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index d8b600b..5dbbb29 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm

[PATCH v4 03/11] perf: provide a common perf_event_nop_0() for use with .event_idx

tions. Signed-off-by: Cody P Schafer --- include/linux/perf_event.h | 1 + kernel/events/core.c | 10 +- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 5c12009..23da668 100644 --- a/include/linux/perf_event.h

[PATCH v4 00/11] powerpc: Add support for Power Hypervisor supplied performance counters

give the user 1024 bytes to play with - clarify some comments (the list of fw versions is now labeled) - provide and event_24x7_request() that wraps single_24x7_request() - probably some other small fixes I'm forgetting. Cody P Schafer (11): sysfs: create bin_attributes under the requested grou

[PATCH v4 02/11] perf: add PMU_FORMAT_RANGE() helper for use by sw-like pmus

Add PMU_FORMAT_RANGE() and PMU_FORMAT_RANGE_RESERVED() (for reserved areas) which generate functions to extract the relevent bits from event->attr.config{,1,2} for use by sw-like pmus where the 'config{,1,2}' values don't map directly to hardware registers. Signed-off-

Re: [PATCH v3 02/11] perf: add PMU_FORMAT_RANGE() helper for use by sw-like pmus

On 03/03/2014 09:19 PM, Michael Ellerman wrote: On Thu, 2014-27-02 at 21:04:55 UTC, Cody P Schafer wrote: Add PMU_FORMAT_RANGE() and PMU_FORMAT_RANGE_RESERVED() (for reserved areas) which generate functions to extract the relevent bits from event->attr.config{,1,2} for use by sw-like pmus wh

Re: [PATCH v3 03/11] perf: provide a common perf_event_nop_0() for use with .event_idx

On 03/03/2014 09:19 PM, Michael Ellerman wrote: On Thu, 2014-27-02 at 21:04:56 UTC, Cody P Schafer wrote: Rather an having every pmu that needs a function that just returns 0 for .event_idx define their own copy, reuse the one in kernel/events/core.c. Rename from perf_swevent_event_idx

[PATCH v3 11/11] powerpc/perf/hv_{gpci, 24x7}: add documentation of device attributes

gpci and 24x7 expose some device specific attributes. Add some documentation for them. Signed-off-by: Cody P Schafer --- .../testing/sysfs-bus-event_source-devices-hv_24x7 | 23 .../testing/sysfs-bus-event_source-devices-hv_gpci | 43 ++ 2 files changed, 66

[PATCH v3 10/11] powerpc/perf: add kconfig option for hypervisor provided counters

Signed-off-by: Cody P Schafer --- arch/powerpc/perf/Makefile | 2 ++ arch/powerpc/platforms/pseries/Kconfig | 12 2 files changed, 14 insertions(+) diff --git a/arch/powerpc/perf/Makefile b/arch/powerpc/perf/Makefile index 60d71ee..f9c083a 100644 --- a/arch/powerpc

[PATCH v3 09/11] powerpc/perf: add support for the hv 24x7 interface

7; ' sleep 0.1 Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7.c | 492 1 file changed, 492 insertions(+) create mode 100644 arch/powerpc/perf/hv-24x7.c diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c new fi

[PATCH v3 08/11] powerpc/perf: add support for the hv gpci (get performance counter info) interface

dex=0,starting_index=0x,request=0x10/' -r 0 -C 0 -x ' ' sleep 0.1 Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-gpci.c | 277 1 file changed, 277 insertions(+) create mode 100644 arch/powerpc/perf/hv-gpci.c diff --git a/arch/po

[PATCH v3 07/11] powerpc/perf: add a shared interface to get gpci version and capabilities

s are simply exposed in sysfs to inform the user. Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-common.c | 39 +++ arch/powerpc/perf/hv-common.h | 17 + 2 files changed, 56 insertions(+) create mode 100644 arch/powerpc/perf/hv-common.c c

[PATCH v3 06/11] powerpc/perf: add 24x7 interface headers

n overflow, these are completely disjoint from the typical power pmu. This method of obtaining performance counters from the hypervisor is intended to paritialy replace the gpci interface. Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7-catalog.h | 33 +++ arch/powerpc/perf

[PATCH v3 05/11] powerpc/perf: add hv_gpci interface header

n linux at this time. Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-gpci.h | 73 + 1 file changed, 73 insertions(+) create mode 100644 arch/powerpc/perf/hv-gpci.h diff --git a/arch/powerpc/perf/hv-gpci.h b/arch/powerpc/perf/hv-gpci.h new

[PATCH v3 02/11] perf: add PMU_FORMAT_RANGE() helper for use by sw-like pmus

Add PMU_FORMAT_RANGE() and PMU_FORMAT_RANGE_RESERVED() (for reserved areas) which generate functions to extract the relevent bits from event->attr.config{,1,2} for use by sw-like pmus where the 'config{,1,2}' values don't map directly to hardware registers. Signed-off-

[PATCH v3 03/11] perf: provide a common perf_event_nop_0() for use with .event_idx

tions. Signed-off-by: Cody P Schafer --- include/linux/perf_event.h | 1 + kernel/events/core.c | 10 +- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 3da5081..24a7b45 100644 --- a/include/linux/perf_event.h

[PATCH v3 04/11] powerpc: add hvcalls for 24x7 and gpci (get performance counter info)

Signed-off-by: Cody P Schafer --- arch/powerpc/include/asm/hvcall.h | 5 + 1 file changed, 5 insertions(+) diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index d8b600b..5dbbb29 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm

[PATCH v3 00/11] powerpc: Add support for Power Hypervisor supplied performance counters

bytes to play with - clarify some comments (the list of fw versions is now labeled) - provide and event_24x7_request() that wraps single_24x7_request() - probably some other small fixes I'm forgetting. Cody P Schafer (11): sysfs: create bin_attributes under the requested group perf: ad

[PATCH v3 01/11] sysfs: create bin_attributes under the requested group

shows that no one is using bin_attrs in a named attribute group yet, so we can do this without breaking anything in usespace. Note that I do not add is_visible() support to bin_attributes, though that could be done as well. Signed-off-by: Cody P Schafer Signed-off-by: Greg Kroah-Hartman --- No

Re: [PATCH v2 02/11] perf core: export swevent hrtimer helpers

On 02/26/2014 12:29 AM, Peter Zijlstra wrote: On Tue, Feb 25, 2014 at 01:38:31PM -0800, Cody P Schafer wrote: On 02/25/2014 02:20 AM, Peter Zijlstra wrote: On Tue, Feb 25, 2014 at 02:33:26PM +1100, Michael Ellerman wrote: On Fri, 2014-14-02 at 22:02:06 UTC, Cody P Schafer wrote: Export the

Re: [PATCH] powerpc: warn users of smt-snooze-delay that the API isn't there anymore

On 02/24/2014 08:53 PM, Madhavan Srinivasan wrote: On Saturday 22 February 2014 05:44 AM, Cody P Schafer wrote: /sys/devices/system/cpu/cpu*/smt-snooze-delay was converted into a NOP in commit 3fa8cad82b94d0bed002571bd246f2299ffc876b, and now does nothing. Add a pr_warn() to convince any users

Re: [PATCH v2 01/11] perf: add PMU_RANGE_ATTR() helper for use by sw-like pmus

On 02/25/2014 12:33 PM, Cody P Schafer wrote: On 02/24/2014 07:33 PM, Michael Ellerman wrote: On Fri, 2014-14-02 at 22:02:05 UTC, Cody P Schafer wrote: Add PMU_RANGE_ATTR() and PMU_RANGE_RESV() (for reserved areas) which generate functions to extract the relevent bits from event->attr.con

Re: [PATCH v2 02/11] perf core: export swevent hrtimer helpers

On 02/25/2014 02:20 AM, Peter Zijlstra wrote: On Tue, Feb 25, 2014 at 02:33:26PM +1100, Michael Ellerman wrote: On Fri, 2014-14-02 at 22:02:06 UTC, Cody P Schafer wrote: Export the swevent hrtimer helpers currently only used in events/core.c to allow the addition of architecture specific sw

Re: [PATCH v2 10/11] powerpc/perf: add kconfig option for hypervisor provided counters

On 02/24/2014 07:33 PM, Michael Ellerman wrote: On Fri, 2014-14-02 at 22:02:14 UTC, Cody P Schafer wrote: Signed-off-by: Cody P Schafer --- arch/powerpc/perf/Makefile | 2 ++ arch/powerpc/platforms/Kconfig.cputype | 6 ++ 2 files changed, 8 insertions(+) diff --git a/arch

Re: [PATCH v2 08/11] powerpc/perf: add support for the hv gpci (get performance counter info) interface

On 02/24/2014 07:33 PM, Michael Ellerman wrote: On Fri, 2014-14-02 at 22:02:12 UTC, Cody P Schafer wrote: This provides a basic link between perf and hv_gpci. Notably, it does not yet support transactions and does not list any events (they can still be manually composed). Can you explain how

Re: [PATCH v2 07/11] powerpc: add a shared interface to get gpci version and capabilities

On 02/24/2014 07:33 PM, Michael Ellerman wrote: [PATCH v2 07/11] powerpc: add a shared interface to get gpci version and capabilities All the patches that touch perf should be "powerpc/perf: foo" Ok. On Fri, 2014-14-02 at 22:02:11 UTC, Cody P Schafer wrote: ... I realise

Re: [PATCH v2 04/11] powerpc: add hvcalls for 24x7 and gpci (get performance counter info)

On 02/24/2014 07:33 PM, Michael Ellerman wrote: On Fri, 2014-14-02 at 22:02:08 UTC, Cody P Schafer wrote: Signed-off-by: Cody P Schafer --- arch/powerpc/include/asm/hvcall.h | 5 + 1 file changed, 5 insertions(+) diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include

Re: [PATCH v2 09/11] powerpc/perf: add support for the hv 24x7 interface

On 02/24/2014 07:33 PM, Michael Ellerman wrote: On Fri, 2014-14-02 at 22:02:13 UTC, Cody P Schafer wrote: This provides a basic interface between hv_24x7 and perf. Similar to the one provided for gpci, it lacks transaction support and does not list any events. Signed-off-by: Cody P Schafer

Re: [PATCH v2 05/11] powerpc: add hv_gpci interface header

On 02/24/2014 07:33 PM, Michael Ellerman wrote: On Fri, 2014-14-02 at 22:02:09 UTC, Cody P Schafer wrote: "H_GetPerformanceCounterInfo" (refered to as hv_gpci or just gpci from here on) is an interface to retrieve specific performance counters and other data from the hypervisor. A

Re: [PATCH v2 01/11] perf: add PMU_RANGE_ATTR() helper for use by sw-like pmus

On 02/24/2014 07:33 PM, Michael Ellerman wrote: On Fri, 2014-14-02 at 22:02:05 UTC, Cody P Schafer wrote: Add PMU_RANGE_ATTR() and PMU_RANGE_RESV() (for reserved areas) which generate functions to extract the relevent bits from event->attr.config{,1,2} for use by sw-like pmus where the 

[PATCH] powerpc: warn users of smt-snooze-delay that the API isn't there anymore

move into the cpuidle driver, essentially by adjusting target_residency to the specified value. At the moment, target_residency is not exposed by cpuidle's sysfs, so there isn't a drop in replacement for this. Signed-off-by: Cody P Schafer --- arch/powerpc/kernel/sysfs.c | 6 ++ 1 fi

Re: [PATCH v2.1 9/11] powerpc/perf: add kconfig option for hypervisor provided counters

Whoops, should be "[Patch v2.1 10/11]" ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev

[PATCH v2.1 9/11] powerpc/perf: add kconfig option for hypervisor provided counters

Signed-off-by: Cody P Schafer --- arch/powerpc/perf/Makefile | 2 ++ arch/powerpc/platforms/pseries/Kconfig | 12 2 files changed, 14 insertions(+) diff --git a/arch/powerpc/perf/Makefile b/arch/powerpc/perf/Makefile index 60d71ee..f9c083a 100644 --- a/arch/powerpc

Re: [PATCH v2 10/11] powerpc/perf: add kconfig option for hypervisor provided counters

On 02/16/2014 11:11 PM, Michael Ellerman wrote: On Fri, 2014-02-14 at 16:25 -0800, Cody P Schafer wrote: On Fri, Feb 14, 2014 at 04:32:13PM -0600, Scott Wood wrote: On Fri, 2014-02-14 at 14:02 -0800, Cody P Schafer wrote: diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc

Re: [PATCH v2 10/11] powerpc/perf: add kconfig option for hypervisor provided counters

On Fri, Feb 14, 2014 at 04:32:13PM -0600, Scott Wood wrote: > On Fri, 2014-02-14 at 14:02 -0800, Cody P Schafer wrote: > > Signed-off-by: Cody P Schafer > > --- > > arch/powerpc/perf/Makefile | 2 ++ > > arch/powerpc/platforms/Kconfig.cputype | 6 +++

[PATCH v2 11/11] powerpc/perf/hv_{gpci, 24x7}: add documentation of device attributes

gpci and 24x7 expose some device specific attributes. Add some documentation for them. Signed-off-by: Cody P Schafer --- .../testing/sysfs-bus-event_source-devices-hv_24x7 | 22 +++ .../testing/sysfs-bus-event_source-devices-hv_gpci | 43 ++ 2 files changed, 65

[PATCH v2 10/11] powerpc/perf: add kconfig option for hypervisor provided counters

Signed-off-by: Cody P Schafer --- arch/powerpc/perf/Makefile | 2 ++ arch/powerpc/platforms/Kconfig.cputype | 6 ++ 2 files changed, 8 insertions(+) diff --git a/arch/powerpc/perf/Makefile b/arch/powerpc/perf/Makefile index 60d71ee..f9c083a 100644 --- a/arch/powerpc/perf

[PATCH v2 09/11] powerpc/perf: add support for the hv 24x7 interface

This provides a basic interface between hv_24x7 and perf. Similar to the one provided for gpci, it lacks transaction support and does not list any events. Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7.c | 491 1 file changed, 491

[PATCH v2 08/11] powerpc/perf: add support for the hv gpci (get performance counter info) interface

This provides a basic link between perf and hv_gpci. Notably, it does not yet support transactions and does not list any events (they can still be manually composed). Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-gpci.c | 290 1 file changed

[PATCH v2 07/11] powerpc: add a shared interface to get gpci version and capabilities

Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-common.c | 39 +++ arch/powerpc/perf/hv-common.h | 17 + 2 files changed, 56 insertions(+) create mode 100644 arch/powerpc/perf/hv-common.c create mode 100644 arch/powerpc/perf/hv

[PATCH v2 06/11] powerpc: add 24x7 interface header

er). This method of obtaining performance counters from the hypervisor is intended to paritialy replace the gpci interface. Signed-off-by: Cody P Schafer --- arch/powerpc/perf/hv-24x7.h | 239 1 file changed, 239 insertions(+) create mode 100644 ar

[PATCH v2 05/11] powerpc: add hv_gpci interface header

"H_GetPerformanceCounterInfo" (refered to as hv_gpci or just gpci from here on) is an interface to retrieve specific performance counters and other data from the hypervisor. All outputs have a fixed format (and are represented as structs in this patch). Signed-off-by: Cody P Schafer

[PATCH v2 04/11] powerpc: add hvcalls for 24x7 and gpci (get performance counter info)

Signed-off-by: Cody P Schafer --- arch/powerpc/include/asm/hvcall.h | 5 + 1 file changed, 5 insertions(+) diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index d8b600b..652f7e4 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm

[PATCH v2 03/11] sysfs: create bin_attributes under the requested group

shows that no one is using bin_attrs in a named attribute group yet, so we can do this without breaking anything in usespace. Note that I do not add is_visible() support to bin_attributes, though that could be done as well. Signed-off-by: Cody P Schafer --- fs/sysfs/group.c | 7 +-- 1 file

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