diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-sched.c | 88 | ||||
| -rw-r--r-- | tools/perf/util/thread.h | 8 |
2 files changed, 51 insertions, 45 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index cc2dbd5b50e..b72544f2b96 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -144,7 +144,7 @@ struct task_atoms { u64 total_runtime; }; -typedef int (*sort_thread_lat)(struct task_atoms *, struct task_atoms *); +typedef int (*sort_fn_t)(struct task_atoms *, struct task_atoms *); static struct rb_root atom_root, sorted_atom_root; @@ -869,41 +869,22 @@ static struct trace_sched_handler replay_ops = { .fork_event = replay_fork_event, }; -static struct task_atoms * -thread_atoms_search(struct rb_root *root, struct thread *thread) -{ - struct rb_node *node = root->rb_node; - - while (node) { - struct task_atoms *atoms; - - atoms = container_of(node, struct task_atoms, node); - if (thread->pid > atoms->thread->pid) - node = node->rb_left; - else if (thread->pid < atoms->thread->pid) - node = node->rb_right; - else { - return atoms; - } - } - return NULL; -} - struct sort_dimension { const char *name; - sort_thread_lat cmp; + sort_fn_t cmp; struct list_head list; }; static LIST_HEAD(cmp_pid); static int -thread_lat_cmp(struct list_head *list, struct task_atoms *l, - struct task_atoms *r) +thread_lat_cmp(struct list_head *list, struct task_atoms *l, struct task_atoms *r) { struct sort_dimension *sort; int ret = 0; + BUG_ON(list_empty(list)); + list_for_each_entry(sort, list, list) { ret = sort->cmp(l, r); if (ret) @@ -913,6 +894,32 @@ thread_lat_cmp(struct list_head *list, struct task_atoms *l, return ret; } +static struct task_atoms * +thread_atoms_search(struct rb_root *root, struct thread *thread, + struct list_head *sort_list) +{ + struct rb_node *node = root->rb_node; + struct task_atoms key = { .thread = thread }; + + while (node) { + struct task_atoms *atoms; + int cmp; + + atoms = container_of(node, struct task_atoms, node); + + cmp = thread_lat_cmp(sort_list, &key, atoms); + if (cmp > 0) + node = node->rb_left; + else if (cmp < 0) + node = node->rb_right; + else { + BUG_ON(thread != atoms->thread); + return atoms; + } + } + return NULL; +} + static void __thread_latency_insert(struct rb_root *root, struct task_atoms *data, struct list_head *sort_list) @@ -1049,18 +1056,18 @@ latency_switch_event(struct trace_switch_event *switch_event, sched_out = threads__findnew(switch_event->prev_pid, &threads, &last_match); sched_in = threads__findnew(switch_event->next_pid, &threads, &last_match); - in_atoms = thread_atoms_search(&atom_root, sched_in); + in_atoms = thread_atoms_search(&atom_root, sched_in, &cmp_pid); if (!in_atoms) { thread_atoms_insert(sched_in); - in_atoms = thread_atoms_search(&atom_root, sched_in); + in_atoms = thread_atoms_search(&atom_root, sched_in, &cmp_pid); if (!in_atoms) die("in-atom: Internal tree error"); } - out_atoms = thread_atoms_search(&atom_root, sched_out); + out_atoms = thread_atoms_search(&atom_root, sched_out, &cmp_pid); if (!out_atoms) { thread_atoms_insert(sched_out); - out_atoms = thread_atoms_search(&atom_root, sched_out); + out_atoms = thread_atoms_search(&atom_root, sched_out, &cmp_pid); if (!out_atoms) die("out-atom: Internal tree error"); } @@ -1085,7 +1092,7 @@ latency_wakeup_event(struct trace_wakeup_event *wakeup_event, return; wakee = threads__findnew(wakeup_event->pid, &threads, &last_match); - atoms = thread_atoms_search(&atom_root, wakee); + atoms = thread_atoms_search(&atom_root, wakee, &cmp_pid); if (!atoms) { thread_atoms_insert(wakee); return; @@ -1136,7 +1143,6 @@ static void output_lat_thread(struct task_atoms *atom_list) static int pid_cmp(struct task_atoms *l, struct task_atoms *r) { - if (l->thread->pid < r->thread->pid) return -1; if (l->thread->pid > r->thread->pid) @@ -1146,8 +1152,8 @@ static int pid_cmp(struct task_atoms *l, struct task_atoms *r) } static struct sort_dimension pid_sort_dimension = { - .name = "pid", - .cmp = pid_cmp, + .name = "pid", + .cmp = pid_cmp, }; static int avg_cmp(struct task_atoms *l, struct task_atoms *r) @@ -1172,8 +1178,8 @@ static int avg_cmp(struct task_atoms *l, struct task_atoms *r) } static struct sort_dimension avg_sort_dimension = { - .name = "avg", - .cmp = avg_cmp, + .name = "avg", + .cmp = avg_cmp, }; static int max_cmp(struct task_atoms *l, struct task_atoms *r) @@ -1187,8 +1193,8 @@ static int max_cmp(struct task_atoms *l, struct task_atoms *r) } static struct sort_dimension max_sort_dimension = { - .name = "max", - .cmp = max_cmp, + .name = "max", + .cmp = max_cmp, }; static int switch_cmp(struct task_atoms *l, struct task_atoms *r) @@ -1202,8 +1208,8 @@ static int switch_cmp(struct task_atoms *l, struct task_atoms *r) } static struct sort_dimension switch_sort_dimension = { - .name = "switch", - .cmp = switch_cmp, + .name = "switch", + .cmp = switch_cmp, }; static int runtime_cmp(struct task_atoms *l, struct task_atoms *r) @@ -1217,8 +1223,8 @@ static int runtime_cmp(struct task_atoms *l, struct task_atoms *r) } static struct sort_dimension runtime_sort_dimension = { - .name = "runtime", - .cmp = runtime_cmp, + .name = "runtime", + .cmp = runtime_cmp, }; static struct sort_dimension *available_sorts[] = { @@ -1666,8 +1672,8 @@ int cmd_sched(int argc, const char **argv, const char *prefix __used) argc = parse_options(argc, argv, latency_options, latency_usage, 0); if (argc) usage_with_options(latency_usage, latency_options); - setup_sorting(); } + setup_sorting(); __cmd_lat(); } else if (!strncmp(argv[0], "rep", 3)) { trace_handler = &replay_ops; diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 634f2809a34..665d1f3dc97 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -4,10 +4,10 @@ #include "symbol.h" struct thread { - struct rb_node rb_node; - struct list_head maps; - pid_t pid; - char *comm; + struct rb_node rb_node; + struct list_head maps; + pid_t pid; + char *comm; }; int thread__set_comm(struct thread *self, const char *comm); |