From: Arnaldo Carvalho de Melo Date: Mon, 14 Dec 2009 15:10:39 +0000 (-0200) Subject: perf session: Move the hist_entries rb tree to perf_session X-Git-Tag: firefly_0821_release~9833^2~3628^2~44 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4e4f06e4c8f17ea96f7dd76251cab99511026401;p=firefly-linux-kernel-4.4.55.git perf session: Move the hist_entries rb tree to perf_session As we'll need to sort multiple times for multiple perf sessions, so that we can then do a diff. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: Mike Galbraith Cc: Peter Zijlstra Cc: Paul Mackerras LKML-Reference: <1260803439-16783-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar --- diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index f25e89e9c9b0..1f1341f1dd84 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -121,10 +121,12 @@ static void hist_hit(struct hist_entry *he, u64 ip) h->ip[offset]); } -static int hist_entry__add(struct addr_location *al, u64 count) +static int perf_session__add_hist_entry(struct perf_session *self, + struct addr_location *al, u64 count) { bool hit; - struct hist_entry *he = __hist_entry__add(al, NULL, count, &hit); + struct hist_entry *he = __perf_session__add_hist_entry(self, al, NULL, + count, &hit); if (he == NULL) return -ENOMEM; hist_hit(he, al->addr); @@ -144,7 +146,7 @@ static int process_sample_event(event_t *event, struct perf_session *session) return -1; } - if (hist_entry__add(&al, 1)) { + if (perf_session__add_hist_entry(session, &al, 1)) { fprintf(stderr, "problem incrementing symbol count, " "skipping event\n"); return -1; @@ -428,11 +430,11 @@ static void annotate_sym(struct hist_entry *he) free_source_line(he, len); } -static void find_annotations(void) +static void perf_session__find_annotations(struct perf_session *self) { struct rb_node *nd; - for (nd = rb_first(&hist); nd; nd = rb_next(nd)) { + for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); struct sym_priv *priv; @@ -484,10 +486,9 @@ static int __cmd_annotate(void) if (verbose > 2) dsos__fprintf(stdout); - collapse__resort(); - output__resort(event__total[0]); - - find_annotations(); + perf_session__collapse_resort(session); + perf_session__output_resort(session, event__total[0]); + perf_session__find_annotations(session); out_delete: perf_session__delete(session); diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index e79ecbc17181..3b329c66b505 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -344,7 +344,7 @@ static int process_sample_event(event_t *event, struct perf_session *session) return 0; } -static int sample_type_check(u64 type) +static int sample_type_check(u64 type, struct perf_session *session __used) { sample_type = type; diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 9cbdcbc4cd56..854427f0e57e 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -38,6 +38,7 @@ static char *dso_list_str, *comm_list_str, *sym_list_str, static struct strlist *dso_list, *comm_list, *sym_list; static int force; +static bool use_callchain; static int show_nr_samples; @@ -312,8 +313,9 @@ hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, return ret; } -static size_t -hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) +static size_t hist_entry__fprintf(FILE *fp, struct hist_entry *self, + struct perf_session *session, + u64 total_samples) { struct sort_entry *se; size_t ret; @@ -345,7 +347,7 @@ hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) ret += fprintf(fp, "\n"); - if (callchain) { + if (session->use_callchain) { int left_margin = 0; if (sort__first_dimension == SORT_COMM) { @@ -422,7 +424,7 @@ static struct symbol **resolve_callchain(struct thread *thread, struct symbol **syms = NULL; unsigned int i; - if (callchain) { + if (session->use_callchain) { syms = calloc(chain->nr, sizeof(*syms)); if (!syms) { fprintf(stderr, "Can't allocate memory for symbols\n"); @@ -454,7 +456,7 @@ static struct symbol **resolve_callchain(struct thread *thread, if (sort__has_parent && !*parent && call__match(al.sym)) *parent = al.sym; - if (!callchain) + if (!session->use_callchain) break; syms[i] = al.sym; } @@ -467,25 +469,25 @@ static struct symbol **resolve_callchain(struct thread *thread, * collect histogram counts */ -static int hist_entry__add(struct addr_location *al, - struct perf_session *session, - struct ip_callchain *chain, u64 count) +static int perf_session__add_hist_entry(struct perf_session *self, + struct addr_location *al, + struct ip_callchain *chain, u64 count) { struct symbol **syms = NULL, *parent = NULL; bool hit; struct hist_entry *he; - if ((sort__has_parent || callchain) && chain) - syms = resolve_callchain(al->thread, session, chain, &parent); + if ((sort__has_parent || self->use_callchain) && chain) + syms = resolve_callchain(al->thread, self, chain, &parent); - he = __hist_entry__add(al, parent, count, &hit); + he = __perf_session__add_hist_entry(self, al, parent, count, &hit); if (he == NULL) return -ENOMEM; if (hit) he->count += count; - if (callchain) { + if (self->use_callchain) { if (!hit) callchain_init(&he->callchain); append_chain(&he->callchain, chain, syms); @@ -495,7 +497,8 @@ static int hist_entry__add(struct addr_location *al, return 0; } -static size_t output__fprintf(FILE *fp, u64 total_samples) +static size_t perf_session__fprintf_hist_entries(struct perf_session *self, + u64 total_samples, FILE *fp) { struct hist_entry *pos; struct sort_entry *se; @@ -567,9 +570,9 @@ static size_t output__fprintf(FILE *fp, u64 total_samples) fprintf(fp, "#\n"); print_entries: - for (nd = rb_first(&hist); nd; nd = rb_next(nd)) { + for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { pos = rb_entry(nd, struct hist_entry, rb_node); - ret += hist_entry__fprintf(fp, pos, total_samples); + ret += hist_entry__fprintf(fp, pos, self, total_samples); } if (sort_order == default_sort_order && @@ -671,7 +674,7 @@ static int process_sample_event(event_t *event, struct perf_session *session) if (sym_list && al.sym && !strlist__has_entry(sym_list, al.sym->name)) return 0; - if (hist_entry__add(&al, session, data.callchain, data.period)) { + if (perf_session__add_hist_entry(session, &al, data.callchain, data.period)) { pr_debug("problem incrementing symbol count, skipping event\n"); return -1; } @@ -719,7 +722,7 @@ static int process_read_event(event_t *event, struct perf_session *session __use return 0; } -static int sample_type_check(u64 type) +static int sample_type_check(u64 type, struct perf_session *session) { sample_type = type; @@ -730,14 +733,14 @@ static int sample_type_check(u64 type) " perf record without -g?\n"); return -1; } - if (callchain) { + if (session->use_callchain) { fprintf(stderr, "selected -g but no callchain data." " Did you call perf record without" " -g?\n"); return -1; } - } else if (callchain_param.mode != CHAIN_NONE && !callchain) { - callchain = 1; + } else if (callchain_param.mode != CHAIN_NONE && !session->use_callchain) { + session->use_callchain = true; if (register_callchain_param(&callchain_param) < 0) { fprintf(stderr, "Can't register callchain" " params\n"); @@ -769,6 +772,8 @@ static int __cmd_report(void) if (session == NULL) return -ENOMEM; + session->use_callchain = use_callchain; + if (show_threads) perf_read_values_init(&show_threads_values); @@ -787,9 +792,9 @@ static int __cmd_report(void) if (verbose > 2) dsos__fprintf(stdout); - collapse__resort(); - output__resort(event__stats.total); - output__fprintf(stdout, event__stats.total); + perf_session__collapse_resort(session); + perf_session__output_resort(session, event__stats.total); + perf_session__fprintf_hist_entries(session, event__stats.total, stdout); if (show_threads) perf_read_values_destroy(&show_threads_values); @@ -805,7 +810,7 @@ parse_callchain_opt(const struct option *opt __used, const char *arg, char *tok; char *endptr; - callchain = 1; + use_callchain = true; if (!arg) return 0; @@ -826,7 +831,7 @@ parse_callchain_opt(const struct option *opt __used, const char *arg, else if (!strncmp(tok, "none", strlen(arg))) { callchain_param.mode = CHAIN_NONE; - callchain = 0; + use_callchain = true; return 0; } diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index bce05dff6dfe..412ae924640a 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1655,7 +1655,7 @@ static int process_lost_event(event_t *event __used, return 0; } -static int sample_type_check(u64 type) +static int sample_type_check(u64 type, struct perf_session *session __used) { sample_type = type; diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 27018531404b..3a0a89e41523 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -1033,7 +1033,7 @@ static void process_samples(void) } } -static int sample_type_check(u64 type) +static int sample_type_check(u64 type, struct perf_session *session __used) { sample_type = type; diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 9d89ae423ca5..adce442dd603 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -103,7 +103,7 @@ static int process_sample_event(event_t *event, struct perf_session *session) return 0; } -static int sample_type_check(u64 type) +static int sample_type_check(u64 type, struct perf_session *session __used) { sample_type = type; diff --git a/tools/perf/util/data_map.c b/tools/perf/util/data_map.c index 44dea211cc65..08c4cf5e66ba 100644 --- a/tools/perf/util/data_map.c +++ b/tools/perf/util/data_map.c @@ -161,7 +161,7 @@ int perf_session__process_events(struct perf_session *self, err = -EINVAL; if (ops->sample_type_check && - ops->sample_type_check(sample_type) < 0) + ops->sample_type_check(sample_type, self) < 0) goto out_err; if (!ops->full_paths) { diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index b40e37ded4bf..b9828fce7bf0 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -1,7 +1,6 @@ #include "hist.h" - -struct rb_root hist; -int callchain; +#include "session.h" +#include "sort.h" struct callchain_param callchain_param = { .mode = CHAIN_GRAPH_REL, @@ -12,11 +11,12 @@ struct callchain_param callchain_param = { * histogram, sorted on item, collects counts */ -struct hist_entry *__hist_entry__add(struct addr_location *al, - struct symbol *sym_parent, - u64 count, bool *hit) +struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self, + struct addr_location *al, + struct symbol *sym_parent, + u64 count, bool *hit) { - struct rb_node **p = &hist.rb_node; + struct rb_node **p = &self->hists.rb_node; struct rb_node *parent = NULL; struct hist_entry *he; struct hist_entry entry = { @@ -52,7 +52,7 @@ struct hist_entry *__hist_entry__add(struct addr_location *al, return NULL; *he = entry; rb_link_node(&he->rb_node, parent, p); - rb_insert_color(&he->rb_node, &hist); + rb_insert_color(&he->rb_node, &self->hists); *hit = false; return he; } @@ -129,7 +129,7 @@ static void collapse__insert_entry(struct rb_root *root, struct hist_entry *he) rb_insert_color(&he->rb_node, root); } -void collapse__resort(void) +void perf_session__collapse_resort(struct perf_session *self) { struct rb_root tmp; struct rb_node *next; @@ -139,31 +139,33 @@ void collapse__resort(void) return; tmp = RB_ROOT; - next = rb_first(&hist); + next = rb_first(&self->hists); while (next) { n = rb_entry(next, struct hist_entry, rb_node); next = rb_next(&n->rb_node); - rb_erase(&n->rb_node, &hist); + rb_erase(&n->rb_node, &self->hists); collapse__insert_entry(&tmp, n); } - hist = tmp; + self->hists = tmp; } /* * reverse the map, sort on count. */ -static void output__insert_entry(struct rb_root *root, struct hist_entry *he, - u64 min_callchain_hits) +static void perf_session__insert_output_hist_entry(struct perf_session *self, + struct rb_root *root, + struct hist_entry *he, + u64 min_callchain_hits) { struct rb_node **p = &root->rb_node; struct rb_node *parent = NULL; struct hist_entry *iter; - if (callchain) + if (self->use_callchain) callchain_param.sort(&he->sorted_chain, &he->callchain, min_callchain_hits, &callchain_param); @@ -181,7 +183,7 @@ static void output__insert_entry(struct rb_root *root, struct hist_entry *he, rb_insert_color(&he->rb_node, root); } -void output__resort(u64 total_samples) +void perf_session__output_resort(struct perf_session *self, u64 total_samples) { struct rb_root tmp; struct rb_node *next; @@ -192,15 +194,16 @@ void output__resort(u64 total_samples) total_samples * (callchain_param.min_percent / 100); tmp = RB_ROOT; - next = rb_first(&hist); + next = rb_first(&self->hists); while (next) { n = rb_entry(next, struct hist_entry, rb_node); next = rb_next(&n->rb_node); - rb_erase(&n->rb_node, &hist); - output__insert_entry(&tmp, n, min_callchain_hits); + rb_erase(&n->rb_node, &self->hists); + perf_session__insert_output_hist_entry(self, &tmp, n, + min_callchain_hits); } - hist = tmp; + self->hists = tmp; } diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index a6cb1485e3b9..7efdb1b6d8c8 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -1,40 +1,25 @@ #ifndef __PERF_HIST_H #define __PERF_HIST_H -#include "../builtin.h" -#include "util.h" - -#include "color.h" -#include -#include "cache.h" -#include -#include "symbol.h" -#include "string.h" +#include #include "callchain.h" -#include "strlist.h" -#include "values.h" - -#include "../perf.h" -#include "debug.h" -#include "header.h" - -#include "parse-options.h" -#include "parse-events.h" -#include "thread.h" -#include "sort.h" - -extern struct rb_root hist; -extern int callchain; extern struct callchain_param callchain_param; -struct hist_entry *__hist_entry__add(struct addr_location *al, - struct symbol *parent, - u64 count, bool *hit); +struct perf_session; +struct hist_entry; +struct addr_location; +struct symbol; + +struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self, + struct addr_location *al, + struct symbol *parent, + u64 count, bool *hit); extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *); extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *); -extern void hist_entry__free(struct hist_entry *); -extern void collapse__resort(void); -extern void output__resort(u64); +void hist_entry__free(struct hist_entry *); + +void perf_session__output_resort(struct perf_session *self, u64 total_samples); +void perf_session__collapse_resort(struct perf_session *self); #endif /* __PERF_HIST_H */ diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 20b2c9cc834b..759d96022a39 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -16,10 +16,12 @@ struct perf_session { struct map_groups kmaps; struct rb_root threads; struct thread *last_match; + struct rb_root hists; int fd; int cwdlen; char *cwd; bool use_modules; + bool use_callchain; char filename[0]; }; @@ -35,7 +37,8 @@ struct perf_event_ops { event_op process_read_event; event_op process_throttle_event; event_op process_unthrottle_event; - int (*sample_type_check)(u64 sample_type); + int (*sample_type_check)(u64 sample_type, + struct perf_session *session); unsigned long total_unknown; bool full_paths; };