Messages in this thread | | | Date | Wed, 13 Jan 2021 08:19:35 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH V3 5/9] perf mem: Support data page size |
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Em Tue, Jan 05, 2021 at 08:55:27AM -0500, Liang, Kan escreveu: > > > On 12/19/2020 3:56 PM, Arnaldo Carvalho de Melo wrote: > > Em Wed, Dec 16, 2020 at 10:58:01AM -0800, kan.liang@linux.intel.com escreveu: > > > From: Kan Liang <kan.liang@linux.intel.com> > > > > > > Add option --data-page-size in "perf mem" to record/report data page > > > size. > > > > > > Here are some examples. > > > perf mem --phys-data --data-page-size report -D > > > > So I stopped at this cset, it isn't applying to my tree, I'll test what > > I have, which is up to the patch before this one and push to Linus, as > > the window is closing. > > Hi Arnaldo, > > Sorry for the late response. I was on vacation. > > I will rebase the rest of the patches on top of your perf/core branch and > send them out shortly.
I just came back from vacation, will check this soon :-)
- Arnaldo
> Thanks, > Kan > > > > > - Arnaldo > > > # PID, TID, IP, ADDR, PHYS ADDR, DATA PAGE SIZE, LOCAL WEIGHT, DSRC, > > > # SYMBOL > > > 20134 20134 0xffffffffb5bd2fd0 0x016ffff9a274e96a308 0x000000044e96a308 > > > 4K 1168 0x5080144 > > > /lib/modules/4.18.0-rc7+/build/vmlinux:perf_ctx_unlock > > > 20134 20134 0xffffffffb63f645c 0xffffffffb752b814 0xcfb52b814 2M 225 > > > 0x26a100142 /lib/modules/4.18.0-rc7+/build/vmlinux:_raw_spin_lock > > > 20134 20134 0xffffffffb660300c 0xfffffe00016b8bb0 0x0 4K 0 0x5080144 > > > /lib/modules/4.18.0-rc7+/build/vmlinux:__x86_indirect_thunk_rax > > > > > > perf mem --phys-data --data-page-size report --stdio > > > > > > # To display the perf.data header info, please use > > > # --header/--header-only options. > > > # > > > # > > > # Total Lost Samples: 0 > > > # > > > # Samples: 5K of event 'cpu/mem-loads,ldlat=30/P' > > > # Total weight : 281234 > > > # Sort order : > > > # mem,sym,dso,symbol_daddr,dso_daddr,tlb,locked,phys_daddr,data_page_size > > > # > > > # Overhead Samples Memory access Symbol > > > # Shared Object Data Symbol Data > > > # Object TLB access Locked Data Physical > > > # Address Data Page Size > > > # ........ ............ ........................ > > > # ................................ ................ > > > # ........................................... ....................... > > > # ...................... ...... ...................... > > > # ...................... > > > # > > > 28.54% 1826 L1 or L1 hit [k] > > > __x86_indirect_thunk_rax [kernel.vmlinux] [k] 0xffffb0df31b0ff28 > > > [unknown] L1 or L2 hit No [k] > > > 0000000000000000 4K > > > 6.02% 256 L1 or L1 hit [.] touch_buffer > > > dtlb [.] 0x00007ffd50109da8 [stack] > > > L1 or L2 hit No [.] 0x000000042454ada8 4K > > > 3.23% 5 L1 or L1 hit [k] clear_huge_page > > > [kernel.vmlinux] [k] 0xffff9a2753b8ce60 [unknown] > > > L1 or L2 hit No [k] 0x0000000453b8ce60 2M > > > 2.98% 4 L1 or L1 hit [k] clear_page_erms > > > [kernel.vmlinux] [k] 0xffffb0df31b0fd00 [unknown] > > > L1 or L2 hit No [k] 0000000000000000 4K > > > > > > Acked-by: Namhyung Kim <namhyung@kernel.org> > > > Acked-by: Jiri Olsa <jolsa@redhat.com> > > > Signed-off-by: Kan Liang <kan.liang@linux.intel.com> > > > --- > > > tools/perf/Documentation/perf-mem.txt | 3 +++ > > > tools/perf/builtin-mem.c | 20 +++++++++++++++++++- > > > 2 files changed, 22 insertions(+), 1 deletion(-) > > > > > > diff --git a/tools/perf/Documentation/perf-mem.txt b/tools/perf/Documentation/perf-mem.txt > > > index 199ea0f0a6c0..66177511c5c4 100644 > > > --- a/tools/perf/Documentation/perf-mem.txt > > > +++ b/tools/perf/Documentation/perf-mem.txt > > > @@ -63,6 +63,9 @@ OPTIONS > > > --phys-data:: > > > Record/Report sample physical addresses > > > +--data-page-size:: > > > + Record/Report sample data address page size > > > + > > > RECORD OPTIONS > > > -------------- > > > -e:: > > > diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c > > > index 7d6ee2208709..f3aac85aa9d4 100644 > > > --- a/tools/perf/builtin-mem.c > > > +++ b/tools/perf/builtin-mem.c > > > @@ -30,6 +30,7 @@ struct perf_mem { > > > bool dump_raw; > > > bool force; > > > bool phys_addr; > > > + bool data_page_size; > > > int operation; > > > const char *cpu_list; > > > DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); > > > @@ -124,6 +125,9 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) > > > if (mem->phys_addr) > > > rec_argv[i++] = "--phys-data"; > > > + if (mem->data_page_size) > > > + rec_argv[i++] = "--data-page-size"; > > > + > > > for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { > > > e = perf_mem_events__ptr(j); > > > if (!e->record) > > > @@ -173,6 +177,7 @@ dump_raw_samples(struct perf_tool *tool, > > > struct perf_mem *mem = container_of(tool, struct perf_mem, tool); > > > struct addr_location al; > > > const char *fmt, *field_sep; > > > + char str[PAGE_SIZE_NAME_LEN]; > > > if (machine__resolve(machine, &al, sample) < 0) { > > > fprintf(stderr, "problem processing %d event, skipping it.\n", > > > @@ -209,6 +214,12 @@ dump_raw_samples(struct perf_tool *tool, > > > symbol_conf.field_sep); > > > } > > > + if (mem->data_page_size) { > > > + printf("%s%s", > > > + get_page_size_name(sample->data_page_size, str), > > > + symbol_conf.field_sep); > > > + } > > > + > > > if (field_sep) > > > fmt = "%"PRIu64"%s0x%"PRIx64"%s%s:%s\n"; > > > else > > > @@ -273,6 +284,9 @@ static int report_raw_events(struct perf_mem *mem) > > > if (mem->phys_addr) > > > printf("PHYS ADDR, "); > > > + if (mem->data_page_size) > > > + printf("DATA PAGE SIZE, "); > > > + > > > printf("LOCAL WEIGHT, DSRC, SYMBOL\n"); > > > ret = perf_session__process_events(session); > > > @@ -283,7 +297,7 @@ static int report_raw_events(struct perf_mem *mem) > > > } > > > static char *get_sort_order(struct perf_mem *mem) > > > { > > > - bool has_extra_options = mem->phys_addr ? true : false; > > > + bool has_extra_options = (mem->phys_addr | mem->data_page_size) ? true : false; > > > char sort[128]; > > > /* > > > @@ -302,6 +316,9 @@ static char *get_sort_order(struct perf_mem *mem) > > > if (mem->phys_addr) > > > strcat(sort, ",phys_daddr"); > > > + if (mem->data_page_size) > > > + strcat(sort, ",data_page_size"); > > > + > > > return strdup(sort); > > > } > > > @@ -447,6 +464,7 @@ int cmd_mem(int argc, const char **argv) > > > " between columns '.' is reserved."), > > > OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"), > > > OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"), > > > + OPT_BOOLEAN(0, "data-page-size", &mem.data_page_size, "Record/Report sample data address page size"), > > > OPT_END() > > > }; > > > const char *const mem_subcommands[] = { "record", "report", NULL }; > > > -- > > > 2.17.1 > > > > >
--
- Arnaldo
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