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Date: Fri, 8 Feb 2019 09:55:03 -0800 From: kan.liang@...ux.intel.com To: peterz@...radead.org, acme@...nel.org, tglx@...utronix.de, mingo@...hat.com, linux-kernel@...r.kernel.org Cc: eranian@...gle.com, jolsa@...hat.com, namhyung@...nel.org, ak@...ux.intel.com, luto@...capital.net, vbabka@...e.cz, will.deacon@....com, kirill@...temov.name, Kan Liang <kan.liang@...ux.intel.com> Subject: [PATCH V5 08/14] perf mem: Support data page size From: Kan Liang <kan.liang@...ux.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 # 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 Signed-off-by: Kan Liang <kan.liang@...ux.intel.com> --- No changes since V4 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 f8d2167..9110692 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 24acc2a..d14c28f 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -25,6 +25,7 @@ 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); @@ -106,6 +107,9 @@ 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++) { if (!perf_mem_events[j].record) continue; @@ -154,6 +158,7 @@ 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", @@ -190,6 +195,12 @@ 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 @@ -248,6 +259,9 @@ 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); @@ -258,7 +272,7 @@ 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]; /* @@ -277,6 +291,9 @@ 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); } @@ -418,6 +435,7 @@ 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 }; -- 2.7.4
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