Message ID | 20211206091749.87585-1-kjain@linux.ibm.com (mailing list archive) |
---|---|
Headers | show |
Series | perf: Add new macros for mem_hops field | expand |
Em Mon, Dec 06, 2021 at 02:47:45PM +0530, Kajol Jain escreveu: > Patchset adds new macros for mem_hops field which can be > used to represent remote-node, socket and board level details. > > Currently the code had macro for HOPS_0, which corresponds > to data coming from another core but same node. > Add new macros for HOPS_1 to HOPS_3 to represent > remote-node, socket and board level data. > > For ex: Encodings for mem_hops fields with L2 cache: I checked and this hasn't hit mainstream, is it already merged on a tree where this is slated to be submitted in the next window? If so please let me know which one so that I can merge it on perf/core. - Arnaldo > L2 - local L2 > L2 | REMOTE | HOPS_0 - remote core, same node L2 > L2 | REMOTE | HOPS_1 - remote node, same socket L2 > L2 | REMOTE | HOPS_2 - remote socket, same board L2 > L2 | REMOTE | HOPS_3 - remote board L2 > > Patch 1 & 2 adds tool and kernel side changes to add new macros for > mem_hops field > > Patch 3 add data source encodings for power10 and older platforms > to represent data based on newer composite PERF_MEM_LVLNUM* fields > > Patch 4 add data source encodings with proper sub_index used to > represent memory/cache level data for power10 platform. > > Kajol Jain (4): > perf: Add new macros for mem_hops field > tools/perf: Add new macros for mem_hops field > powerpc/perf: Add encodings to represent data based on newer composite > PERF_MEM_LVLNUM* fields > powerpc/perf: Add data source encodings for power10 platform > > arch/powerpc/perf/isa207-common.c | 60 ++++++++++++++++++++------- > include/uapi/linux/perf_event.h | 5 ++- > tools/include/uapi/linux/perf_event.h | 5 ++- > tools/perf/util/mem-events.c | 29 ++++++++----- > 4 files changed, 71 insertions(+), 28 deletions(-) > > -- > 2.27.0
Arnaldo Carvalho de Melo <acme@kernel.org> writes: > Em Mon, Dec 06, 2021 at 02:47:45PM +0530, Kajol Jain escreveu: >> Patchset adds new macros for mem_hops field which can be >> used to represent remote-node, socket and board level details. >> >> Currently the code had macro for HOPS_0, which corresponds >> to data coming from another core but same node. >> Add new macros for HOPS_1 to HOPS_3 to represent >> remote-node, socket and board level data. >> >> For ex: Encodings for mem_hops fields with L2 cache: > > I checked and this hasn't hit mainstream, is it already merged on a tree > where this is slated to be submitted in the next window? If so please > let me know which one so that I can merge it on perf/core. I haven't picked it up. I guess the kernel changes are mainly in powerpc, but I'd at least need an ack from eg. Peter for the generic perf uapi change. Equally the whole series could go via tip. cheers
On Fri, Dec 10, 2021 at 05:35:41PM +1100, Michael Ellerman wrote: > Arnaldo Carvalho de Melo <acme@kernel.org> writes: > > Em Mon, Dec 06, 2021 at 02:47:45PM +0530, Kajol Jain escreveu: > >> Patchset adds new macros for mem_hops field which can be > >> used to represent remote-node, socket and board level details. > >> > >> Currently the code had macro for HOPS_0, which corresponds > >> to data coming from another core but same node. > >> Add new macros for HOPS_1 to HOPS_3 to represent > >> remote-node, socket and board level data. > >> > >> For ex: Encodings for mem_hops fields with L2 cache: > > > > I checked and this hasn't hit mainstream, is it already merged on a tree > > where this is slated to be submitted in the next window? If so please > > let me know which one so that I can merge it on perf/core. > > I haven't picked it up. I guess the kernel changes are mainly in > powerpc, but I'd at least need an ack from eg. Peter for the generic > perf uapi change. Done :-)
On Mon, 6 Dec 2021 14:47:45 +0530, Kajol Jain wrote: > Patchset adds new macros for mem_hops field which can be > used to represent remote-node, socket and board level details. > > Currently the code had macro for HOPS_0, which corresponds > to data coming from another core but same node. > Add new macros for HOPS_1 to HOPS_3 to represent > remote-node, socket and board level data. > > [...] Patches 1, 3 and 4 applied to powerpc/next. [1/4] perf: Add new macros for mem_hops field https://git.kernel.org/powerpc/c/cb1c4aba055f928ffae0c868e8dfe08eeab302e7 [3/4] powerpc/perf: Add encodings to represent data based on newer composite PERF_MEM_LVLNUM* fields https://git.kernel.org/powerpc/c/4a20ee106154ac1765dea97932faad29f0ba57fc [4/4] powerpc/perf: Add data source encodings for power10 platform https://git.kernel.org/powerpc/c/6ed05a8efda56e5be11081954929421de19cce88 cheers