diff options
| -rw-r--r-- | kernel/events/core.c | 214 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 12 | ||||
| -rw-r--r-- | tools/perf/builtin-script.c | 108 | ||||
| -rw-r--r-- | tools/perf/builtin-stat.c | 9 | ||||
| -rw-r--r-- | tools/perf/util/evsel.c | 1 | ||||
| -rw-r--r-- | tools/perf/util/evsel.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/python.c | 17 | ||||
| -rw-r--r-- | tools/perf/util/session.c | 61 | ||||
| -rw-r--r-- | tools/perf/util/session.h | 5 |
9 files changed, 263 insertions, 165 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 9efe7108ccaf..ba89f40abe6a 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -200,6 +200,22 @@ __get_cpu_context(struct perf_event_context *ctx) return this_cpu_ptr(ctx->pmu->pmu_cpu_context); } +static void perf_ctx_lock(struct perf_cpu_context *cpuctx, + struct perf_event_context *ctx) +{ + raw_spin_lock(&cpuctx->ctx.lock); + if (ctx) + raw_spin_lock(&ctx->lock); +} + +static void perf_ctx_unlock(struct perf_cpu_context *cpuctx, + struct perf_event_context *ctx) +{ + if (ctx) + raw_spin_unlock(&ctx->lock); + raw_spin_unlock(&cpuctx->ctx.lock); +} + #ifdef CONFIG_CGROUP_PERF /* @@ -340,11 +356,8 @@ void perf_cgroup_switch(struct task_struct *task, int mode) rcu_read_lock(); list_for_each_entry_rcu(pmu, &pmus, entry) { - cpuctx = this_cpu_ptr(pmu->pmu_cpu_context); - perf_pmu_disable(cpuctx->ctx.pmu); - /* * perf_cgroup_events says at least one * context on this CPU has cgroup events. @@ -353,6 +366,8 @@ void perf_cgroup_switch(struct task_struct *task, int mode) * events for a context. */ if (cpuctx->ctx.nr_cgroups > 0) { + perf_ctx_lock(cpuctx, cpuctx->task_ctx); + perf_pmu_disable(cpuctx->ctx.pmu); if (mode & PERF_CGROUP_SWOUT) { cpu_ctx_sched_out(cpuctx, EVENT_ALL); @@ -372,9 +387,9 @@ void perf_cgroup_switch(struct task_struct *task, int mode) cpuctx->cgrp = perf_cgroup_from_task(task); cpu_ctx_sched_in(cpuctx, EVENT_ALL, task); } + perf_pmu_enable(cpuctx->ctx.pmu); + perf_ctx_unlock(cpuctx, cpuctx->task_ctx); } - - perf_pmu_enable(cpuctx->ctx.pmu); } rcu_read_unlock(); @@ -1105,6 +1120,10 @@ static int __perf_remove_from_context(void *info) raw_spin_lock(&ctx->lock); event_sched_out(event, cpuctx, ctx); list_del_event(event, ctx); + if (!ctx->nr_events && cpuctx->task_ctx == ctx) { + ctx->is_active = 0; + cpuctx->task_ctx = NULL; + } raw_spin_unlock(&ctx->lock); return 0; @@ -1454,8 +1473,24 @@ static void add_event_to_ctx(struct perf_event *event, event->tstamp_stopped = tstamp; } -static void perf_event_context_sched_in(struct perf_event_context *ctx, - struct task_struct *tsk); +static void task_ctx_sched_out(struct perf_event_context *ctx); +static void +ctx_sched_in(struct perf_event_context *ctx, + struct perf_cpu_context *cpuctx, + enum event_type_t event_type, + struct task_struct *task); + +static void perf_event_sched_in(struct perf_cpu_context *cpuctx, + struct perf_event_context *ctx, + struct task_struct *task) +{ + cpu_ctx_sched_in(cpuctx, EVENT_PINNED, task); + if (ctx) + ctx_sched_in(ctx, cpuctx, EVENT_PINNED, task); + cpu_ctx_sched_in(cpuctx, EVENT_FLEXIBLE, task); + if (ctx) + ctx_sched_in(ctx, cpuctx, EVENT_FLEXIBLE, task); +} /* * Cross CPU call to install and enable a performance event @@ -1466,20 +1501,31 @@ static int __perf_install_in_context(void *info) { struct perf_event *event = info; struct perf_event_context *ctx = event->ctx; - struct perf_event *leader = event->group_leader; struct perf_cpu_context *cpuctx = __get_cpu_context(ctx); - int err; + struct perf_event_context *task_ctx = cpuctx->task_ctx; + struct task_struct *task = current; + + perf_ctx_lock(cpuctx, cpuctx->task_ctx); + perf_pmu_disable(cpuctx->ctx.pmu); /* - * In case we're installing a new context to an already running task, - * could also happen before perf_event_task_sched_in() on architectures - * which do context switches with IRQs enabled. + * If there was an active task_ctx schedule it out. */ - if (ctx->task && !cpuctx->task_ctx) - perf_event_context_sched_in(ctx, ctx->task); + if (task_ctx) { + task_ctx_sched_out(task_ctx); + /* + * If the context we're installing events in is not the + * active task_ctx, flip them. + */ + if (ctx->task && task_ctx != ctx) { + raw_spin_unlock(&cpuctx->ctx.lock); + raw_spin_lock(&ctx->lock); + cpuctx->task_ctx = task_ctx = ctx; + } + task = task_ctx->task; + } + cpu_ctx_sched_out(cpuctx, EVENT_ALL); - raw_spin_lock(&ctx->lock); - ctx->is_active = 1; update_context_time(ctx); /* * update cgrp time only if current cgrp @@ -1490,43 +1536,13 @@ static int __perf_install_in_context(void *info) add_event_to_ctx(event, ctx); - if (!event_filter_match(event)) - goto unlock; - - /* - * Don't put the event on if it is disabled or if - * it is in a group and the group isn't on. - */ - if (event->state != PERF_EVENT_STATE_INACTIVE || - (leader != event && leader->state != PERF_EVENT_STATE_ACTIVE)) - goto unlock; - /* - * An exclusive event can't go on if there are already active - * hardware events, and no hardware event can go on if there - * is already an exclusive event on. + * Schedule everything back in */ - if (!group_can_go_on(event, cpuctx, 1)) - err = -EEXIST; - else - err = event_sched_in(event, cpuctx, ctx); + perf_event_sched_in(cpuctx, task_ctx, task); - if (err) { - /* - * This event couldn't go on. If it is in a group - * then we have to pull the whole group off. - * If the event group is pinned then put it in error state. - */ - if (leader != event) - group_sched_out(leader, cpuctx, ctx); - if (leader->attr.pinned) { - update_group_times(leader); - leader->state = PERF_EVENT_STATE_ERROR; - } - } - -unlock: - raw_spin_unlock(&ctx->lock); + perf_pmu_enable(cpuctx->ctx.pmu); + perf_ctx_unlock(cpuctx, task_ctx); return 0; } @@ -1758,30 +1774,28 @@ static void ctx_sched_out(struct perf_event_context *ctx, enum event_type_t event_type) { struct perf_event *event; + int is_active = ctx->is_active; - raw_spin_lock(&ctx->lock); - perf_pmu_disable(ctx->pmu); - ctx->is_active = 0; + ctx->is_active &= ~event_type; if (likely(!ctx->nr_events)) - goto out; + return; + update_context_time(ctx); update_cgrp_time_from_cpuctx(cpuctx); - if (!ctx->nr_active) - goto out; + return; - if (event_type & EVENT_PINNED) { + perf_pmu_disable(ctx->pmu); + if ((is_active & EVENT_PINNED) && (event_type & EVENT_PINNED)) { list_for_each_entry(event, &ctx->pinned_groups, group_entry) group_sched_out(event, cpuctx, ctx); } - if (event_type & EVENT_FLEXIBLE) { + if ((is_active & EVENT_FLEXIBLE) && (event_type & EVENT_FLEXIBLE)) { list_for_each_entry(event, &ctx->flexible_groups, group_entry) group_sched_out(event, cpuctx, ctx); } -out: perf_pmu_enable(ctx->pmu); - raw_spin_unlock(&ctx->lock); } /* @@ -1929,8 +1943,10 @@ static void perf_event_context_sched_out(struct task_struct *task, int ctxn, rcu_read_unlock(); if (do_switch) { + raw_spin_lock(&ctx->lock); ctx_sched_out(ctx, cpuctx, EVENT_ALL); cpuctx->task_ctx = NULL; + raw_spin_unlock(&ctx->lock); } } @@ -1965,8 +1981,7 @@ void __perf_event_task_sched_out(struct task_struct *task, perf_cgroup_sched_out(task); } -static void task_ctx_sched_out(struct perf_event_context *ctx, - enum event_type_t event_type) +static void task_ctx_sched_out(struct perf_event_context *ctx) { struct perf_cpu_context *cpuctx = __get_cpu_context(ctx); @@ -1976,7 +1991,7 @@ static void task_ctx_sched_out(struct perf_event_context *ctx, if (WARN_ON_ONCE(ctx != cpuctx->task_ctx)) return; - ctx_sched_out(ctx, cpuctx, event_type); + ctx_sched_out(ctx, cpuctx, EVENT_ALL); cpuctx->task_ctx = NULL; } @@ -2055,11 +2070,11 @@ ctx_sched_in(struct perf_event_context *ctx, struct task_struct *task) { u64 now; + int is_active = ctx->is_active; - raw_spin_lock(&ctx->lock); - ctx->is_active = 1; + ctx->is_active |= event_type; if (likely(!ctx->nr_events)) - goto out; + return; now = perf_clock(); ctx->timestamp = now; @@ -2068,15 +2083,12 @@ ctx_sched_in(struct perf_event_context *ctx, * First go through the list and put on any pinned groups * in order to give them the best chance of going on. */ - if (event_type & EVENT_PINNED) + if (!(is_active & EVENT_PINNED) && (event_type & EVENT_PINNED)) ctx_pinned_sched_in(ctx, cpuctx); /* Then walk through the lower prio flexible groups */ - if (event_type & EVENT_FLEXIBLE) + if (!(is_active & EVENT_FLEXIBLE) && (event_type & EVENT_FLEXIBLE)) ctx_flexible_sched_in(ctx, cpuctx); - -out: - raw_spin_unlock(&ctx->lock); } static void cpu_ctx_sched_in(struct perf_cpu_context *cpuctx, @@ -2088,19 +2100,6 @@ static void cpu_ctx_sched_in(struct perf_cpu_context *cpuctx, ctx_sched_in(ctx, cpuctx, event_type, task); } -static void task_ctx_sched_in(struct perf_event_context *ctx, - enum event_type_t event_type) -{ - struct perf_cpu_context *cpuctx; - - cpuctx = __get_cpu_context(ctx); - if (cpuctx->task_ctx == ctx) - return; - - ctx_sched_in(ctx, cpuctx, event_type, NULL); - cpuctx->task_ctx = ctx; -} - static void perf_event_context_sched_in(struct perf_event_context *ctx, struct task_struct *task) { @@ -2110,6 +2109,7 @@ static void perf_event_context_sched_in(struct perf_event_context *ctx, if (cpuctx->task_ctx == ctx) return; + perf_ctx_lock(cpuctx, ctx); perf_pmu_disable(ctx->pmu); /* * We want to keep the following priority order: @@ -2118,18 +2118,18 @@ static void perf_event_context_sched_in(struct perf_event_context *ctx, */ cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE); - ctx_sched_in(ctx, cpuctx, EVENT_PINNED, task); - cpu_ctx_sched_in(cpuctx, EVENT_FLEXIBLE, task); - ctx_sched_in(ctx, cpuctx, EVENT_FLEXIBLE, task); + perf_event_sched_in(cpuctx, ctx, task); cpuctx->task_ctx = ctx; + perf_pmu_enable(ctx->pmu); + perf_ctx_unlock(cpuctx, ctx); + /* * Since these rotations are per-cpu, we need to ensure the * cpu-context we got scheduled on is actually rotating. */ perf_pmu_rotate_start(ctx->pmu); - perf_pmu_enable(ctx->pmu); } /* @@ -2269,7 +2269,6 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period) u64 interrupts, now; s64 delta; - raw_spin_lock(&ctx->lock); list_for_each_entry_rcu(event, &ctx->event_list, event_entry) { if (event->state != PERF_EVENT_STATE_ACTIVE) continue; @@ -2301,7 +2300,6 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period) if (delta > 0) perf_adjust_period(event, period, delta); } - raw_spin_unlock(&ctx->lock); } /* @@ -2309,16 +2307,12 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period) */ static void rotate_ctx(struct perf_event_context *ctx) { - raw_spin_lock(&ctx->lock); - /* * Rotate the first entry last of non-pinned groups. Rotation might be * disabled by the inheritance code. */ if (!ctx->rotate_disable) list_rotate_left(&ctx->flexible_groups); - - raw_spin_unlock(&ctx->lock); } /* @@ -2345,6 +2339,7 @@ static void perf_rotate_context(struct perf_cpu_context *cpuctx) rotate = 1; } + perf_ctx_lock(cpuctx, cpuctx->task_ctx); perf_pmu_disable(cpuctx->ctx.pmu); perf_ctx_adjust_freq(&cpuctx->ctx, interval); if (ctx) @@ -2355,21 +2350,20 @@ static void perf_rotate_context(struct perf_cpu_context *cpuctx) cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE); if (ctx) - task_ctx_sched_out(ctx, EVENT_FLEXIBLE); + ctx_sched_out(ctx, cpuctx, EVENT_FLEXIBLE); rotate_ctx(&cpuctx->ctx); if (ctx) rotate_ctx(ctx); - cpu_ctx_sched_in(cpuctx, EVENT_FLEXIBLE, current); - if (ctx) - task_ctx_sched_in(ctx, EVENT_FLEXIBLE); + perf_event_sched_in(cpuctx, ctx, current); done: if (remove) list_del_init(&cpuctx->rotation_list); perf_pmu_enable(cpuctx->ctx.pmu); + perf_ctx_unlock(cpuctx, cpuctx->task_ctx); } void perf_event_task_tick(void) @@ -2424,9 +2418,9 @@ static void perf_event_enable_on_exec(struct perf_event_context *ctx) * in. */ perf_cgroup_sched_out(current); - task_ctx_sched_out(ctx, EVENT_ALL); raw_spin_lock(&ctx->lock); + task_ctx_sched_out(ctx); list_for_each_entry(event, &ctx->pinned_groups, group_entry) { ret = event_enable_on_exec(event, ctx); @@ -2835,16 +2829,12 @@ retry: unclone_ctx(ctx); ++ctx->pin_count; raw_spin_unlock_irqrestore(&ctx->lock, flags); - } - - if (!ctx) { + } else { ctx = alloc_perf_context(pmu, task); err = -ENOMEM; if (!ctx) goto errout; - get_ctx(ctx); - err = 0; mutex_lock(&task->perf_event_mutex); /* @@ -2856,14 +2846,14 @@ retry: else if (task->perf_event_ctxp[ctxn]) err = -EAGAIN; else { + get_ctx(ctx); ++ctx->pin_count; rcu_assign_pointer(task->perf_event_ctxp[ctxn], ctx); } mutex_unlock(&task->perf_event_mutex); if (unlikely(err)) { - put_task_struct(task); - kfree(ctx); + put_ctx(ctx); if (err == -EAGAIN) goto retry; @@ -2934,12 +2924,6 @@ int perf_event_release_kernel(struct perf_event *event) { struct perf_event_context *ctx = event->ctx; - /* - * Remove from the PMU, can't get re-enabled since we got - * here because the last ref went. - */ - perf_event_disable(event); - WARN_ON_ONCE(ctx->parent_ctx); /* * There are two ways this annotation is useful: @@ -2956,8 +2940,8 @@ int perf_event_release_kernel(struct perf_event *event) mutex_lock_nested(&ctx->mutex, SINGLE_DEPTH_NESTING); raw_spin_lock_irq(&ctx->lock); perf_group_detach(event); - list_del_event(event, ctx); raw_spin_unlock_irq(&ctx->lock); + perf_remove_from_context(event); mutex_unlock(&ctx->mutex); free_event(event); @@ -5986,6 +5970,7 @@ free_dev: } static struct lock_class_key cpuctx_mutex; +static struct lock_class_key cpuctx_lock; int perf_pmu_register(struct pmu *pmu, char *name, int type) { @@ -6036,6 +6021,7 @@ skip_type: cpuctx = per_cpu_ptr(pmu->pmu_cpu_context, cpu); __perf_event_init_context(&cpuctx->ctx); lockdep_set_class(&cpuctx->ctx.mutex, &cpuctx_mutex); + lockdep_set_class(&cpuctx->ctx.lock, &cpuctx_lock); cpuctx->ctx.type = cpu_context; cpuctx->ctx.pmu = pmu; cpuctx->jiffies_interval = 1; @@ -6780,7 +6766,6 @@ static void perf_event_exit_task_context(struct task_struct *child, int ctxn) * our context. */ child_ctx = rcu_dereference_raw(child->perf_event_ctxp[ctxn]); - task_ctx_sched_out(child_ctx, EVENT_ALL); /* * Take the context lock here so that if find_get_context is @@ -6788,6 +6773,7 @@ static void perf_event_exit_task_context(struct task_struct *child, int ctxn) * incremented the context's refcount before we do put_ctx below. */ raw_spin_lock(&child_ctx->lock); + task_ctx_sched_out(child_ctx); child->perf_event_ctxp[ctxn] = NULL; /* * If this context is a clone; unclone it so it can't get diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 86c87e214b11..c6068cb43f57 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -115,10 +115,10 @@ OPTIONS -f:: --fields:: Comma separated list of fields to print. Options are: - comm, tid, pid, time, cpu, event, trace, sym. Field - list can be prepended with the type, trace, sw or hw, + comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr. + Field list can be prepended with the type, trace, sw or hw, to indicate to which event type the field list applies. - e.g., -f sw:comm,tid,time,sym and -f trace:time,cpu,trace + e.g., -f sw:comm,tid,time,ip,sym and -f trace:time,cpu,trace perf script -f <fields> @@ -132,17 +132,17 @@ OPTIONS The arguments are processed in the order received. A later usage can reset a prior request. e.g.: - -f trace: -f comm,tid,time,sym + -f trace: -f comm,tid,time,ip,sym The first -f suppresses trace events (field list is ""), but then the - second invocation sets the fields to comm,tid,time,sym. In this case a + second invocation sets the fields to comm,tid,time,ip,sym. In this case a warning is given to the user: "Overriding previous field request for all events." Alternativey, consider the order: - -f comm,tid,time,sym -f trace: + -f comm,tid,time,ip,sym -f trace: The first -f sets the fields for all events and the second -f suppresses trace events. The user is given a warning message about diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 22747de7234b..3056b45b3dd6 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -30,7 +30,10 @@ enum perf_output_field { PERF_OUTPUT_CPU = 1U << 4, PERF_OUTPUT_EVNAME = 1U << 5, PERF_OUTPUT_TRACE = 1U << 6, - PERF_OUTPUT_SYM = 1U << 7, + PERF_OUTPUT_IP = 1U << 7, + PERF_OUTPUT_SYM = 1U << 8, + PERF_OUTPUT_DSO = 1U << 9, + PERF_OUTPUT_ADDR = 1U << 10, }; struct output_option { @@ -44,7 +47,10 @@ struct output_option { {.str = "cpu", .field = PERF_OUTPUT_CPU}, {.str = "event", .field = PERF_OUTPUT_EVNAME}, {.str = "trace", .field = PERF_OUTPUT_TRACE}, + {.str = "ip", .field = PERF_OUTPUT_IP}, {.str = "sym", .field = PERF_OUTPUT_SYM}, + {.str = "dso", .field = PERF_OUTPUT_DSO}, + {.str = "addr", .field = PERF_OUTPUT_ADDR}, }; /* default set to maintain compatibility with current format */ @@ -60,7 +66,8 @@ static struct { .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | - PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM, + PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | + PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, .invalid_fields = PERF_OUTPUT_TRACE, }, @@ -70,7 +77,8 @@ static struct { .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | - PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM, + PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | + PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, .invalid_fields = PERF_OUTPUT_TRACE, }, @@ -88,7 +96,8 @@ static struct { .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | - PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM, + PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | + PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, .invalid_fields = PERF_OUTPUT_TRACE, }, @@ -157,9 +166,9 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel, !perf_session__has_traces(session, "record -R")) return -EINVAL; - if (PRINT_FIELD(SYM)) { + if (PRINT_FIELD(IP)) { if (perf_event_attr__check_stype(attr, PERF_SAMPLE_IP, "IP", - PERF_OUTPUT_SYM)) + PERF_OUTPUT_IP)) return -EINVAL; if (!no_callchain && @@ -167,6 +176,24 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel, symbol_conf.use_callchain = false; } + if (PRINT_FIELD(ADDR) && + perf_event_attr__check_stype(attr, PERF_SAMPLE_ADDR, "ADDR", + PERF_OUTPUT_ADDR)) + return -EINVAL; + + if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { + pr_err("Display of symbols requested but neither sample IP nor " + "sample address\nis selected. Hence, no addresses to convert " + "to symbols.\n"); + return -EINVAL; + } + if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { + pr_err("Display of DSO requested but neither sample IP nor " + "sample address\nis selected. Hence, no addresses to convert " + "to DSO.\n"); + return -EINVAL; + } + if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && perf_event_attr__check_stype(attr, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) @@ -230,7 +257,7 @@ static void print_sample_start(struct perf_sample *sample, if (PRINT_FIELD(COMM)) { if (latency_format) printf("%8.8s ", thread->comm); - else if (PRINT_FIELD(SYM) && symbol_conf.use_callchain) + else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) printf("%s ", thread->comm); else printf("%16s ", thread->comm); @@ -271,6 +298,63 @@ static void print_sample_start(struct perf_sample *sample, } } +static bool sample_addr_correlates_sym(struct perf_event_attr *attr) +{ + if ((attr->type == PERF_TYPE_SOFTWARE) && + ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) || + (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) || + (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ))) + return true; + + return false; +} + +static void print_sample_addr(union perf_event *event, + struct perf_sample *sample, + struct perf_session *session, + struct thread *thread, + struct perf_event_attr *attr) +{ + struct addr_location al; + u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; + const char *symname, *dsoname; + + printf("%16" PRIx64, sample->addr); + + if (!sample_addr_correlates_sym(attr)) + return; + + thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION, + event->ip.pid, sample->addr, &al); + if (!al.map) + thread__find_addr_map(thread, session, cpumode, MAP__VARIABLE, + event->ip.pid, sample->addr, &al); + + al.cpu = sample->cpu; + al.sym = NULL; + + if (al.map) + al.sym = map__find_symbol(al.map, al.addr, NULL); + + if (PRINT_FIELD(SYM)) { + if (al.sym && al.sym->name) + symname = al.sym->name; + else + symname = ""; + + printf(" %16s", symname); + } + + if (PRINT_FIELD(DSO)) { + if (al.map && al.map->dso && al.map->dso->name) + dsoname = al.map->dso->name; + else + dsoname = ""; + + printf(" (%s)", dsoname); + } +} + static void process_event(union perf_event *event __unused, struct perf_sample *sample, struct perf_evsel *evsel, @@ -288,12 +372,16 @@ static void process_event(union perf_event *event __unused, print_trace_event(sample->cpu, sample->raw_data, sample->raw_size); - if (PRINT_FIELD(SYM)) { + if (PRINT_FIELD(ADDR)) + print_sample_addr(event, sample, session, thread, attr); + + if (PRINT_FIELD(IP)) { if (!symbol_conf.use_callchain) printf(" "); else printf("\n"); - perf_session__print_symbols(event, sample, session); + perf_session__print_ip(event, sample, session, + PRINT_FIELD(SYM), PRINT_FIELD(DSO)); } printf("\n"); @@ -985,7 +1073,7 @@ static const struct option options[] = { OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", "Look for files with symbols relative to this directory"), OPT_CALLBACK('f', "fields", NULL, "str", - "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,sym", + "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,addr", parse_output_fields), OPT_END() diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index a9f06715e44d..784ed6d6e0d6 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -61,6 +61,8 @@ #include <locale.h> #define DEFAULT_SEPARATOR " " +#define CNTR_NOT_SUPPORTED "<not supported>" +#define CNTR_NOT_COUNTED "<not counted>" static struct perf_event_attr default_attrs[] = { @@ -448,6 +450,7 @@ static int run_perf_stat(int argc __used, const char **argv) if (verbose) ui__warning("%s event is not supported by the kernel.\n", event_name(counter)); + counter->supported = false; continue; } @@ -466,6 +469,7 @@ static int run_perf_stat(int argc __used, const char **argv) die("Not all events could be opened.\n"); return -1; } + counter->supported = true; } if (perf_evlist__set_filters(evsel_list)) { @@ -861,7 +865,7 @@ static void print_counter_aggr(struct perf_evsel *counter) if (scaled == -1) { fprintf(stderr, "%*s%s%*s", csv_output ? 0 : 18, - "<not counted>", + counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, csv_sep, csv_output ? 0 : -24, event_name(counter)); @@ -914,7 +918,8 @@ static void print_counter(struct perf_evsel *counter) csv_output ? 0 : -4, evsel_list->cpus->map[cpu], csv_sep, csv_output ? 0 : 18, - "<not counted>", csv_sep, + counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, + csv_sep, csv_output ? 0 : -24, event_name(counter)); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 0239eb87b232..a03a36b7908a 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -377,6 +377,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, array++; } + data->addr = 0; if (type & PERF_SAMPLE_ADDR) { data->addr = *array; array++; diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 7e9366e4490b..e9a31554e265 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -61,6 +61,7 @@ struct perf_evsel { off_t id_offset; }; struct cgroup_sel *cgrp; + bool supported; }; struct cpu_map; diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index a9ac0504aabd..8e0b5a39d8a7 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -247,7 +247,7 @@ struct pyrf_cpu_map { static int pyrf_cpu_map__init(struct pyrf_cpu_map *pcpus, PyObject *args, PyObject *kwargs) { - static char *kwlist[] = { "cpustr", NULL, NULL, }; + static char *kwlist[] = { "cpustr", NULL }; char *cpustr = NULL; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s", @@ -316,7 +316,7 @@ struct pyrf_thread_map { static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads, PyObject *args, PyObject *kwargs) { - static char *kwlist[] = { "pid", "tid", NULL, NULL, }; + static char *kwlist[] = { "pid", "tid", NULL }; int pid = -1, tid = -1; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", @@ -418,7 +418,9 @@ static int pyrf_evsel__init(struct pyrf_evsel *pevsel, "wakeup_events", "bp_type", "bp_addr", - "bp_len", NULL, NULL, }; + "bp_len", + NULL + }; u64 sample_period = 0; u32 disabled = 0, inherit = 0, @@ -499,7 +501,7 @@ static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel, struct thread_map *threads = NULL; PyObject *pcpus = NULL, *pthreads = NULL; int group = 0, inherit = 0; - static char *kwlist[] = {"cpus", "threads", "group", "inherit", NULL, NULL}; + static char *kwlist[] = { "cpus", "threads", "group", "inherit", NULL }; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist, &pcpus, &pthreads, &group, &inherit)) @@ -582,8 +584,7 @@ static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist, PyObject *args, PyObject *kwargs) { struct perf_evlist *evlist = &pevlist->evlist; - static char *kwlist[] = {"pages", "overwrite", - NULL, NULL}; + static char *kwlist[] = { "pages", "overwrite", NULL }; int pages = 128, overwrite = false; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", kwlist, @@ -603,7 +604,7 @@ static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist, PyObject *args, PyObject *kwargs) { struct perf_evlist *evlist = &pevlist->evlist; - static char *kwlist[] = {"timeout", NULL, NULL}; + static char *kwlist[] = { "timeout", NULL }; int timeout = -1, n; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", kwlist, &timeout)) @@ -674,7 +675,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, struct perf_evlist *evlist = &pevlist->evlist; union perf_event *event; int sample_id_all = 1, cpu; - static char *kwlist[] = {"cpu", "sample_id_all", NULL, NULL}; + static char *kwlist[] = { "cpu", "sample_id_all", NULL }; int err; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist, diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index f5a8fbdd3f76..b723f211881c 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -708,9 +708,9 @@ static void dump_sample(struct perf_session *session, union perf_event *event, if (!dump_trace) return; - printf("(IP, %d): %d/%d: %#" PRIx64 " period: %" PRIu64 "\n", + printf("(IP, %d): %d/%d: %#" PRIx64 " period: %" PRIu64 " addr: %#" PRIx64 "\n", event->header.misc, sample->pid, sample->tid, sample->ip, - sample->period); + sample->period, sample->addr); if (session->sample_type & PERF_SAMPLE_CALLCHAIN) callchain__printf(sample); @@ -1202,9 +1202,10 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, return NULL; } -void perf_session__print_symbols(union perf_event *event, - struct perf_sample *sample, - struct perf_session *session) +void perf_session__print_ip(union perf_event *event, + struct perf_sample *sample, + struct perf_session *session, + int print_sym, int print_dso) { struct addr_location al; const char *symname, *dsoname; @@ -1233,32 +1234,46 @@ void perf_session__print_symbols(union perf_event *event, if (!node) break; - if (node->sym && node->sym->name) - symname = node->sym->name; - else - symname = ""; + printf("\t%16" PRIx64, node->ip); + if (print_sym) { + if (node->sym && node->sym->name) + symname = node->sym->name; + else + symname = ""; - if (node->map && node->map->dso && node->map->dso->name) - dsoname = node->map->dso->name; - else - dsoname = ""; + printf(" %s", symname); + } + if (print_dso) { + if (node->map && node->map->dso && node->map->dso->name) + dsoname = node->map->dso->name; + else + dsoname = ""; - printf("\t%16" PRIx64 " %s (%s)\n", node->ip, symname, dsoname); + printf(" (%s)", dsoname); + } + printf("\n"); callchain_cursor_advance(cursor); } } else { - if (al.sym && al.sym->name) - symname = al.sym->name; - else - symname = ""; + printf("%16" PRIx64, al.addr); + if (print_sym) { + if (al.sym && al.sym->name) + symname = al.sym->name; + else + symname = ""; - if (al.map && al.map->dso && al.map->dso->name) - dsoname = al.map->dso->name; - else - dsoname = ""; + printf(" %s", symname); + } - printf("%16" PRIx64 " %s (%s)", al.addr, symname, dsoname); + if (print_dso) { + if (al.map && al.map->dso && al.map->dso->name) + dsoname = al.map->dso->name; + else + dsoname = ""; + + printf(" (%s)", dsoname); + } } } diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 66d4e1490879..de4178d7bb7b 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -167,8 +167,9 @@ static inline int perf_session__parse_sample(struct perf_session *session, struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, unsigned int type); -void perf_session__print_symbols(union perf_event *event, +void perf_session__print_ip(union perf_event *event, struct perf_sample *sample, - struct perf_session *session); + struct perf_session *session, + int print_sym, int print_dso); #endif /* __PERF_SESSION_H */ |