#include <stdlib.h> #include "util.h" #include "values.h" #include "debug.h" int perf_read_values_init(struct perf_read_values *values) { values->threads_max = 16; values->pid = malloc(values->threads_max * sizeof(*values->pid)); values->tid = malloc(values->threads_max * sizeof(*values->tid)); values->value = malloc(values->threads_max * sizeof(*values->value)); if (!values->pid || !values->tid || !values->value) { pr_debug("failed to allocate read_values threads arrays"); goto out_free_pid; } values->threads = 0; values->counters_max = 16; values->counterrawid = malloc(values->counters_max * sizeof(*values->counterrawid)); values->countername = malloc(values->counters_max * sizeof(*values->countername)); if (!values->counterrawid || !values->countername) { pr_debug("failed to allocate read_values counters arrays"); goto out_free_counter; } values->counters = 0; return 0; out_free_counter: zfree(&values->counterrawid); zfree(&values->countername); out_free_pid: zfree(&values->pid); zfree(&values->tid); zfree(&values->value); return -ENOMEM; } void perf_read_values_destroy(struct perf_read_values *values) { int i; if (!values->threads_max || !values->counters_max) return; for (i = 0; i < values->threads; i++) zfree(&values->value[i]); zfree(&values->value); zfree(&values->pid); zfree(&values->tid); zfree(&values->counterrawid); for (i = 0; i < values->counters; i++) zfree(&values->countername[i]); zfree(&values->countername); } static int perf_read_values__enlarge_threads(struct perf_read_values *values) { int nthreads_max = values->threads_max * 2; void *npid = realloc(values->pid, nthreads_max * sizeof(*values->pid)), *ntid = realloc(values->tid, nthreads_max * sizeof(*values->tid)), *nvalue = realloc(values->value, nthreads_max * sizeof(*values->value)); if (!npid || !ntid || !nvalue) goto out_err; values->threads_max = nthreads_max; values->pid = npid; values->tid = ntid; values->value = nvalue; return 0; out_err: free(npid); free(ntid); free(nvalue); pr_debug("failed to enlarge read_values threads arrays"); return -ENOMEM; } static int perf_read_values__findnew_thread(struct perf_read_values *values, u32 pid, u32 tid) { int i; for (i = 0; i < values->threads; i++) if (values->pid[i] == pid && values->tid[i] == tid) return i; if (values->threads == values->threads_max) { i = perf_read_values__enlarge_threads(values); if (i < 0) return i; } i = values->threads + 1; values->value[i] = malloc(values->counters_max * sizeof(**values->value)); if (!values->value[i]) { pr_debug("failed to allocate read_values counters array"); return -ENOMEM; } values->pid[i] = pid; values->tid[i] = tid; values->threads = i; return i; } static void perf_read_values__enlarge_counters(struct perf_read_values *values) { int i; values->counters_max *= 2; values->counterrawid = realloc(values->counterrawid, values->counters_max * sizeof(*values->counterrawid)); values->countername = realloc(values->countername, values->counters_max * sizeof(*values->countername)); if (!values->counterrawid || !values->countername) die("failed to enlarge read_values counters arrays"); for (i = 0; i < values->threads; i++) { values->value[i] = realloc(values->value[i], values->counters_max * sizeof(**values->value)); if (!values->value[i]) die("failed to enlarge read_values counters arrays"); } } static int perf_read_values__findnew_counter(struct perf_read_values *values, u64 rawid, const char *name) { int i; for (i = 0; i < values->counters; i++) if (values->counterrawid[i] == rawid) return i; if (values->counters == values->counters_max) perf_read_values__enlarge_counters(values); i = values->counters++; values->counterrawid[i] = rawid; values->countername[i] = strdup(name); return i; } int perf_read_values_add_value(struct perf_read_values *values, u32 pid, u32 tid, u64 rawid, const char *name, u64 value) { int tindex, cindex; tindex = perf_read_values__findnew_thread(values, pid, tid); if (tindex < 0) return tindex; cindex = perf_read_values__findnew_counter(values, rawid, name); if (cindex < 0) return cindex; values->value[tindex][cindex] = value; return 0; } static void perf_read_values__display_pretty(FILE *fp, struct perf_read_values *values) { int i, j; int pidwidth, tidwidth; int *counterwidth; counterwidth = malloc(values->counters * sizeof(*counterwidth)); if (!counterwidth) die("failed to allocate counterwidth array"); tidwidth = 3; pidwidth = 3; for (j = 0; j < values->counters; j++) counterwidth[j] = strlen(values->countername[j]); for (i = 0; i < values->threads; i++) { int width; width = snprintf(NULL, 0, "%d", values->pid[i]); if (width > pidwidth) pidwidth = width; width = snprintf(NULL, 0, "%d", values->tid[i]); if (width > tidwidth) tidwidth = width; for (j = 0; j < values->counters; j++) { width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]); if (width > counterwidth[j]) counterwidth[j] = width; } } fprintf(fp, "# %*s %*s", pidwidth, "PID", tidwidth, "TID"); for (j = 0; j < values->counters; j++) fprintf(fp, " %*s", counterwidth[j], values->countername[j]); fprintf(fp, "\n"); for (i = 0; i < values->threads; i++) { fprintf(fp, " %*d %*d", pidwidth, values->pid[i], tidwidth, values->tid[i]); for (j = 0; j < values->counters; j++) fprintf(fp, " %*" PRIu64, counterwidth[j], values->value[i][j]); fprintf(fp, "\n"); } free(counterwidth); } static void perf_read_values__display_raw(FILE *fp, struct perf_read_values *values) { int width, pidwidth, tidwidth, namewidth, rawwidth, countwidth; int i, j; tidwidth = 3; /* TID */ pidwidth = 3; /* PID */ namewidth = 4; /* "Name" */ rawwidth = 3; /* "Raw" */ countwidth = 5; /* "Count" */ for (i = 0; i < values->threads; i++) { width = snprintf(NULL, 0, "%d", values->pid[i]); if (width > pidwidth) pidwidth = width; width = snprintf(NULL, 0, "%d", values->tid[i]); if (width > tidwidth) tidwidth = width; } for (j = 0; j < values->counters; j++) { width = strlen(values->countername[j]); if (width > namewidth) namewidth = width; width = snprintf(NULL, 0, "%" PRIx64, values->counterrawid[j]); if (width > rawwidth) rawwidth = width; } for (i = 0; i < values->threads; i++) { for (j = 0; j < values->counters; j++) { width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]); if (width > countwidth) countwidth = width; } } fprintf(fp, "# %*s %*s %*s %*s %*s\n", pidwidth, "PID", tidwidth, "TID", namewidth, "Name", rawwidth, "Raw", countwidth, "Count"); for (i = 0; i < values->threads; i++) for (j = 0; j < values->counters; j++) fprintf(fp, " %*d %*d %*s %*" PRIx64 " %*" PRIu64, pidwidth, values->pid[i], tidwidth, values->tid[i], namewidth, values->countername[j], rawwidth, values->counterrawid[j], countwidth, values->value[i][j]); } void perf_read_values_display(FILE *fp, struct perf_read_values *values, int raw) { if (raw) perf_read_values__display_raw(fp, values); else perf_read_values__display_pretty(fp, values); }