diff options
Diffstat (limited to 'tools/perf/util/header.c')
-rw-r--r-- | tools/perf/util/header.c | 207 |
1 files changed, 66 insertions, 141 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index d74b58d4105..b2929d7a3d4 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1103,118 +1103,80 @@ static int write_branch_stack(int fd __maybe_unused, return 0; } -static void print_hostname(struct perf_header *ph, int fd, FILE *fp) +static void print_hostname(struct perf_header *ph, int fd __maybe_unused, + FILE *fp) { - char *str = do_read_string(fd, ph); - fprintf(fp, "# hostname : %s\n", str); - free(str); + fprintf(fp, "# hostname : %s\n", ph->env.hostname); } -static void print_osrelease(struct perf_header *ph, int fd, FILE *fp) +static void print_osrelease(struct perf_header *ph, int fd __maybe_unused, + FILE *fp) { - char *str = do_read_string(fd, ph); - fprintf(fp, "# os release : %s\n", str); - free(str); + fprintf(fp, "# os release : %s\n", ph->env.os_release); } -static void print_arch(struct perf_header *ph, int fd, FILE *fp) +static void print_arch(struct perf_header *ph, int fd __maybe_unused, FILE *fp) { - char *str = do_read_string(fd, ph); - fprintf(fp, "# arch : %s\n", str); - free(str); + fprintf(fp, "# arch : %s\n", ph->env.arch); } -static void print_cpudesc(struct perf_header *ph, int fd, FILE *fp) +static void print_cpudesc(struct perf_header *ph, int fd __maybe_unused, + FILE *fp) { - char *str = do_read_string(fd, ph); - fprintf(fp, "# cpudesc : %s\n", str); - free(str); + fprintf(fp, "# cpudesc : %s\n", ph->env.cpu_desc); } -static void print_nrcpus(struct perf_header *ph, int fd, FILE *fp) +static void print_nrcpus(struct perf_header *ph, int fd __maybe_unused, + FILE *fp) { - ssize_t ret; - u32 nr; - - ret = read(fd, &nr, sizeof(nr)); - if (ret != (ssize_t)sizeof(nr)) - nr = -1; /* interpreted as error */ - - if (ph->needs_swap) - nr = bswap_32(nr); - - fprintf(fp, "# nrcpus online : %u\n", nr); - - ret = read(fd, &nr, sizeof(nr)); - if (ret != (ssize_t)sizeof(nr)) - nr = -1; /* interpreted as error */ - - if (ph->needs_swap) - nr = bswap_32(nr); - - fprintf(fp, "# nrcpus avail : %u\n", nr); + fprintf(fp, "# nrcpus online : %u\n", ph->env.nr_cpus_online); + fprintf(fp, "# nrcpus avail : %u\n", ph->env.nr_cpus_avail); } -static void print_version(struct perf_header *ph, int fd, FILE *fp) +static void print_version(struct perf_header *ph, int fd __maybe_unused, + FILE *fp) { - char *str = do_read_string(fd, ph); - fprintf(fp, "# perf version : %s\n", str); - free(str); + fprintf(fp, "# perf version : %s\n", ph->env.version); } -static void print_cmdline(struct perf_header *ph, int fd, FILE *fp) +static void print_cmdline(struct perf_header *ph, int fd __maybe_unused, + FILE *fp) { - ssize_t ret; + int nr, i; char *str; - u32 nr, i; - - ret = read(fd, &nr, sizeof(nr)); - if (ret != (ssize_t)sizeof(nr)) - return; - if (ph->needs_swap) - nr = bswap_32(nr); + nr = ph->env.nr_cmdline; + str = ph->env.cmdline; fprintf(fp, "# cmdline : "); for (i = 0; i < nr; i++) { - str = do_read_string(fd, ph); fprintf(fp, "%s ", str); - free(str); + str += strlen(str) + 1; } fputc('\n', fp); } -static void print_cpu_topology(struct perf_header *ph, int fd, FILE *fp) +static void print_cpu_topology(struct perf_header *ph, int fd __maybe_unused, + FILE *fp) { - ssize_t ret; - u32 nr, i; + int nr, i; char *str; - ret = read(fd, &nr, sizeof(nr)); - if (ret != (ssize_t)sizeof(nr)) - return; - - if (ph->needs_swap) - nr = bswap_32(nr); + nr = ph->env.nr_sibling_cores; + str = ph->env.sibling_cores; for (i = 0; i < nr; i++) { - str = do_read_string(fd, ph); fprintf(fp, "# sibling cores : %s\n", str); - free(str); + str += strlen(str) + 1; } - ret = read(fd, &nr, sizeof(nr)); - if (ret != (ssize_t)sizeof(nr)) - return; - - if (ph->needs_swap) - nr = bswap_32(nr); + nr = ph->env.nr_sibling_threads; + str = ph->env.sibling_threads; for (i = 0; i < nr; i++) { - str = do_read_string(fd, ph); fprintf(fp, "# sibling threads : %s\n", str); - free(str); + str += strlen(str) + 1; } } @@ -1375,126 +1337,89 @@ static void print_event_desc(struct perf_header *ph, int fd, FILE *fp) free_event_desc(events); } -static void print_total_mem(struct perf_header *h __maybe_unused, int fd, +static void print_total_mem(struct perf_header *ph, int fd __maybe_unused, FILE *fp) { - uint64_t mem; - ssize_t ret; - - ret = read(fd, &mem, sizeof(mem)); - if (ret != sizeof(mem)) - goto error; - - if (h->needs_swap) - mem = bswap_64(mem); - - fprintf(fp, "# total memory : %"PRIu64" kB\n", mem); - return; -error: - fprintf(fp, "# total memory : unknown\n"); + fprintf(fp, "# total memory : %Lu kB\n", ph->env.total_mem); } -static void print_numa_topology(struct perf_header *h __maybe_unused, int fd, +static void print_numa_topology(struct perf_header *ph, int fd __maybe_unused, FILE *fp) { - ssize_t ret; u32 nr, c, i; - char *str; + char *str, *tmp; uint64_t mem_total, mem_free; /* nr nodes */ - ret = read(fd, &nr, sizeof(nr)); - if (ret != (ssize_t)sizeof(nr)) - goto error; - - if (h->needs_swap) - nr = bswap_32(nr); + nr = ph->env.nr_numa_nodes; + str = ph->env.numa_nodes; for (i = 0; i < nr; i++) { - /* node number */ - ret = read(fd, &c, sizeof(c)); - if (ret != (ssize_t)sizeof(c)) + c = strtoul(str, &tmp, 0); + if (*tmp != ':') goto error; - if (h->needs_swap) - c = bswap_32(c); - - ret = read(fd, &mem_total, sizeof(u64)); - if (ret != sizeof(u64)) + str = tmp + 1; + mem_total = strtoull(str, &tmp, 0); + if (*tmp != ':') goto error; - ret = read(fd, &mem_free, sizeof(u64)); - if (ret != sizeof(u64)) + str = tmp + 1; + mem_free = strtoull(str, &tmp, 0); + if (*tmp != ':') goto error; - if (h->needs_swap) { - mem_total = bswap_64(mem_total); - mem_free = bswap_64(mem_free); - } - fprintf(fp, "# node%u meminfo : total = %"PRIu64" kB," " free = %"PRIu64" kB\n", - c, - mem_total, - mem_free); + c, mem_total, mem_free); - str = do_read_string(fd, h); + str = tmp + 1; fprintf(fp, "# node%u cpu list : %s\n", c, str); - free(str); } return; error: fprintf(fp, "# numa topology : not available\n"); } -static void print_cpuid(struct perf_header *ph, int fd, FILE *fp) +static void print_cpuid(struct perf_header *ph, int fd __maybe_unused, FILE *fp) { - char *str = do_read_string(fd, ph); - fprintf(fp, "# cpuid : %s\n", str); - free(str); + fprintf(fp, "# cpuid : %s\n", ph->env.cpuid); } static void print_branch_stack(struct perf_header *ph __maybe_unused, - int fd __maybe_unused, - FILE *fp) + int fd __maybe_unused, FILE *fp) { fprintf(fp, "# contains samples with branch stack\n"); } -static void print_pmu_mappings(struct perf_header *ph, int fd, FILE *fp) +static void print_pmu_mappings(struct perf_header *ph, int fd __maybe_unused, + FILE *fp) { const char *delimiter = "# pmu mappings: "; - char *name; - int ret; + char *str, *tmp; u32 pmu_num; u32 type; - ret = read(fd, &pmu_num, sizeof(pmu_num)); - if (ret != sizeof(pmu_num)) - goto error; - - if (ph->needs_swap) - pmu_num = bswap_32(pmu_num); - + pmu_num = ph->env.nr_pmu_mappings; if (!pmu_num) { fprintf(fp, "# pmu mappings: not available\n"); return; } + str = ph->env.pmu_mappings; + while (pmu_num) { - if (read(fd, &type, sizeof(type)) != sizeof(type)) - break; - if (ph->needs_swap) - type = bswap_32(type); + type = strtoul(str, &tmp, 0); + if (*tmp != ':') + goto error; + + str = tmp + 1; + fprintf(fp, "%s%s = %" PRIu32, delimiter, str, type); - name = do_read_string(fd, ph); - if (!name) - break; - pmu_num--; - fprintf(fp, "%s%s = %" PRIu32, delimiter, name, type); - free(name); delimiter = ", "; + str += strlen(str) + 1; + pmu_num--; } fprintf(fp, "\n"); |