diff options
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 2 | ||||
| -rw-r--r-- | tools/perf/arch/powerpc/util/event.c | 18 | ||||
| -rw-r--r-- | tools/perf/util/event.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/hist.c | 11 | ||||
| -rw-r--r-- | tools/perf/util/hist.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/session.c | 4 | ||||
| -rw-r--r-- | tools/perf/util/sort.c | 24 | ||||
| -rw-r--r-- | tools/perf/util/sort.h | 2 |
8 files changed, 55 insertions, 8 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 822b16f05c15..f51f0000676e 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -112,6 +112,8 @@ OPTIONS - ins_lat: Instruction latency in core cycles. This is the global instruction latency - local_ins_lat: Local instruction latency version + - p_stage_cyc: On powerpc, this presents the number of cycles spent in a + pipeline stage. And currently supported only on powerpc. By default, comm, dso and symbol keys are used. (i.e. --sort comm,dso,symbol) diff --git a/tools/perf/arch/powerpc/util/event.c b/tools/perf/arch/powerpc/util/event.c index f49d32c2c8ae..22521bc9481a 100644 --- a/tools/perf/arch/powerpc/util/event.c +++ b/tools/perf/arch/powerpc/util/event.c @@ -18,8 +18,11 @@ void arch_perf_parse_sample_weight(struct perf_sample *data, weight.full = *array; if (type & PERF_SAMPLE_WEIGHT) data->weight = weight.full; - else + else { data->weight = weight.var1_dw; + data->ins_lat = weight.var2_w; + data->p_stage_cyc = weight.var3_w; + } } void arch_perf_synthesize_sample_weight(const struct perf_sample *data, @@ -27,6 +30,17 @@ void arch_perf_synthesize_sample_weight(const struct perf_sample *data, { *array = data->weight; - if (type & PERF_SAMPLE_WEIGHT_STRUCT) + if (type & PERF_SAMPLE_WEIGHT_STRUCT) { *array &= 0xffffffff; + *array |= ((u64)data->ins_lat << 32); + } +} + +const char *arch_perf_header_entry(const char *se_header) +{ + if (!strcmp(se_header, "Local INSTR Latency")) + return "Finish Cyc"; + else if (!strcmp(se_header, "Pipeline Stage Cycle")) + return "Dispatch Cyc"; + return se_header; } diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 6106a9c134c9..e5da4a695ff2 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -147,6 +147,7 @@ struct perf_sample { u8 cpumode; u16 misc; u16 ins_lat; + u16 p_stage_cyc; bool no_hw_idx; /* No hw_idx collected in branch_stack */ char insn[MAX_INSN]; void *raw_data; diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index c82f5fc26af8..9299ee535518 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -211,6 +211,7 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h) hists__new_col_len(hists, HISTC_MEM_BLOCKED, 10); hists__new_col_len(hists, HISTC_LOCAL_INS_LAT, 13); hists__new_col_len(hists, HISTC_GLOBAL_INS_LAT, 13); + hists__new_col_len(hists, HISTC_P_STAGE_CYC, 13); if (symbol_conf.nanosecs) hists__new_col_len(hists, HISTC_TIME, 16); else @@ -289,13 +290,14 @@ static long hist_time(unsigned long htime) } static void he_stat__add_period(struct he_stat *he_stat, u64 period, - u64 weight, u64 ins_lat) + u64 weight, u64 ins_lat, u64 p_stage_cyc) { he_stat->period += period; he_stat->weight += weight; he_stat->nr_events += 1; he_stat->ins_lat += ins_lat; + he_stat->p_stage_cyc += p_stage_cyc; } static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src) @@ -308,6 +310,7 @@ static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src) dest->nr_events += src->nr_events; dest->weight += src->weight; dest->ins_lat += src->ins_lat; + dest->p_stage_cyc += src->p_stage_cyc; } static void he_stat__decay(struct he_stat *he_stat) @@ -597,6 +600,7 @@ static struct hist_entry *hists__findnew_entry(struct hists *hists, u64 period = entry->stat.period; u64 weight = entry->stat.weight; u64 ins_lat = entry->stat.ins_lat; + u64 p_stage_cyc = entry->stat.p_stage_cyc; bool leftmost = true; p = &hists->entries_in->rb_root.rb_node; @@ -615,11 +619,11 @@ static struct hist_entry *hists__findnew_entry(struct hists *hists, if (!cmp) { if (sample_self) { - he_stat__add_period(&he->stat, period, weight, ins_lat); + he_stat__add_period(&he->stat, period, weight, ins_lat, p_stage_cyc); hist_entry__add_callchain_period(he, period); } if (symbol_conf.cumulate_callchain) - he_stat__add_period(he->stat_acc, period, weight, ins_lat); + he_stat__add_period(he->stat_acc, period, weight, ins_lat, p_stage_cyc); /* * This mem info was allocated from sample__resolve_mem @@ -731,6 +735,7 @@ __hists__add_entry(struct hists *hists, .period = sample->period, .weight = sample->weight, .ins_lat = sample->ins_lat, + .p_stage_cyc = sample->p_stage_cyc, }, .parent = sym_parent, .filtered = symbol__parent_filter(sym_parent) | al->filtered, diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 3c537232294b..e2faa745c8d6 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -75,6 +75,7 @@ enum hist_column { HISTC_MEM_BLOCKED, HISTC_LOCAL_INS_LAT, HISTC_GLOBAL_INS_LAT, + HISTC_P_STAGE_CYC, HISTC_NR_COLS, /* Last entry */ }; diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 9a8808507bd9..eba3769be3f1 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1302,8 +1302,10 @@ static void dump_sample(struct evsel *evsel, union perf_event *event, if (sample_type & PERF_SAMPLE_WEIGHT_TYPE) { printf("... weight: %" PRIu64 "", sample->weight); - if (sample_type & PERF_SAMPLE_WEIGHT_STRUCT) + if (sample_type & PERF_SAMPLE_WEIGHT_STRUCT) { printf(",0x%"PRIx16"", sample->ins_lat); + printf(",0x%"PRIx16"", sample->p_stage_cyc); + } printf("\n"); } diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index eeb03e749181..df7b932b4073 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -37,7 +37,7 @@ const char default_parent_pattern[] = "^sys_|^do_page_fault"; const char *parent_pattern = default_parent_pattern; const char *default_sort_order = "comm,dso,symbol"; const char default_branch_sort_order[] = "comm,dso_from,symbol_from,symbol_to,cycles"; -const char default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked,blocked,local_ins_lat"; +const char default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked,blocked,local_ins_lat,p_stage_cyc"; const char default_top_sort_order[] = "dso,symbol"; const char default_diff_sort_order[] = "dso,symbol"; const char default_tracepoint_sort_order[] = "trace"; @@ -46,7 +46,7 @@ const char *field_order; regex_t ignore_callees_regex; int have_ignore_callees = 0; enum sort_mode sort__mode = SORT_MODE__NORMAL; -const char *dynamic_headers[] = {"local_ins_lat"}; +const char *dynamic_headers[] = {"local_ins_lat", "p_stage_cyc"}; /* * Replaces all occurrences of a char used with the: @@ -1410,6 +1410,25 @@ struct sort_entry sort_global_ins_lat = { .se_width_idx = HISTC_GLOBAL_INS_LAT, }; +static int64_t +sort__global_p_stage_cyc_cmp(struct hist_entry *left, struct hist_entry *right) +{ + return left->stat.p_stage_cyc - right->stat.p_stage_cyc; +} + +static int hist_entry__p_stage_cyc_snprintf(struct hist_entry *he, char *bf, + size_t size, unsigned int width) +{ + return repsep_snprintf(bf, size, "%-*u", width, he->stat.p_stage_cyc); +} + +struct sort_entry sort_p_stage_cyc = { + .se_header = "Pipeline Stage Cycle", + .se_cmp = sort__global_p_stage_cyc_cmp, + .se_snprintf = hist_entry__p_stage_cyc_snprintf, + .se_width_idx = HISTC_P_STAGE_CYC, +}; + struct sort_entry sort_mem_daddr_sym = { .se_header = "Data Symbol", .se_cmp = sort__daddr_cmp, @@ -1853,6 +1872,7 @@ static struct sort_dimension common_sort_dimensions[] = { DIM(SORT_CODE_PAGE_SIZE, "code_page_size", sort_code_page_size), DIM(SORT_LOCAL_INS_LAT, "local_ins_lat", sort_local_ins_lat), DIM(SORT_GLOBAL_INS_LAT, "ins_lat", sort_global_ins_lat), + DIM(SORT_PIPELINE_STAGE_CYC, "p_stage_cyc", sort_p_stage_cyc), }; #undef DIM diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 63f67a3f3630..87a092645aa7 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -51,6 +51,7 @@ struct he_stat { u64 period_guest_us; u64 weight; u64 ins_lat; + u64 p_stage_cyc; u32 nr_events; }; @@ -234,6 +235,7 @@ enum sort_type { SORT_CODE_PAGE_SIZE, SORT_LOCAL_INS_LAT, SORT_GLOBAL_INS_LAT, + SORT_PIPELINE_STAGE_CYC, /* branch stack specific sort keys */ __SORT_BRANCH_STACK, |