diff options
Diffstat (limited to 'tools/perf/util/util.c')
| -rw-r--r-- | tools/perf/util/util.c | 59 |
1 files changed, 57 insertions, 2 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 0f031eb80b4c..25849434f0a4 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include "perf.h" #include "util.h" #include "debug.h" #include "event.h" @@ -76,8 +77,6 @@ bool sysctl__nmi_watchdog_enabled(void) return nmi_watchdog; } -bool test_attr__enabled; - bool exclude_GH_default; bool perf_host = true; @@ -257,6 +256,54 @@ static int rm_rf_kcore_dir(const char *path) return 0; } +void cpumask_to_cpulist(char *cpumask, char *cpulist) +{ + int i, j, bm_size, nbits; + int len = strlen(cpumask); + unsigned long *bm; + char cpus[MAX_NR_CPUS]; + + for (i = 0; i < len; i++) { + if (cpumask[i] == ',') { + for (j = i; j < len; j++) + cpumask[j] = cpumask[j + 1]; + } + } + + len = strlen(cpumask); + bm_size = (len + 15) / 16; + nbits = bm_size * 64; + if (nbits <= 0) + return; + + bm = calloc(bm_size, sizeof(unsigned long)); + if (!bm) + goto free_bm; + + for (i = 0; i < bm_size; i++) { + char blk[17]; + int blklen = len > 16 ? 16 : len; + + strncpy(blk, cpumask + len - blklen, blklen); + blk[blklen] = '\0'; + bm[i] = strtoul(blk, NULL, 16); + cpumask[len - blklen] = '\0'; + len = strlen(cpumask); + } + + bitmap_scnprintf(bm, nbits, cpus, sizeof(cpus)); + strcpy(cpulist, cpus); + +free_bm: + free(bm); +} + +void print_separator2(int pre_dash_cnt, const char *s, int post_dash_cnt) +{ + printf("%.*s%s%.*s\n", pre_dash_cnt, graph_dotted_line, s, post_dash_cnt, + graph_dotted_line); +} + int rm_rf_perf_data(const char *path) { const char *pat[] = { @@ -498,3 +545,11 @@ int scandirat(int dirfd, const char *dirp, return err; } #endif + +/* basename version that takes a const input string */ +const char *perf_basename(const char *path) +{ + const char *base = strrchr(path, '/'); + + return base ? base + 1 : path; +} |