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| author | Denys Vlasenko | 2010-08-16 02:49:21 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2010-08-16 02:49:21 +0200 |
| commit | c9b9750a0e2a85d3d045cc8d0217d4605f2d7989 (patch) | |
| tree | 00168254b5f9e960ce42ea36d6d4a78bd269eae4 /procps/iostat.c | |
| parent | a4160e15ec866005f3ad30c967bc4829fbb1c8e3 (diff) | |
| download | busybox-c9b9750a0e2a85d3d045cc8d0217d4605f2d7989.zip busybox-c9b9750a0e2a85d3d045cc8d0217d4605f2d7989.tar.gz | |
libbb: factor out common code from mpstat/iostat
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'procps/iostat.c')
| -rw-r--r-- | procps/iostat.c | 30 |
1 files changed, 3 insertions, 27 deletions
diff --git a/procps/iostat.c b/procps/iostat.c index 76c5353..e8e321b 100644 --- a/procps/iostat.c +++ b/procps/iostat.c @@ -114,26 +114,6 @@ static void print_header(void) buf, uts.machine, G.total_cpus); } -static int get_number_of_cpus(void) -{ -#ifdef _SC_NPROCESSORS_CONF - return sysconf(_SC_NPROCESSORS_CONF); -#else - char buf[128]; - int n = 0; - FILE *fp; - - fp = xfopen_for_read("/proc/cpuinfo"); - - while (fgets(buf, sizeof(buf), fp)) - if (strncmp(buf, "processor\t:", 11) == 0) - n++; - - fclose(fp); - return n; -#endif -} - static void get_localtime(struct tm *ptm) { time_t timer; @@ -148,12 +128,6 @@ static void print_timestamp(void) printf("%s\n", buf); } -/* Does str start with "cpu"? */ -static int starts_with_cpu(const char *str) -{ - return ((str[0] - 'c') | (str[1] - 'p') | (str[2] - 'u')) == 0; -} - /* Fetch CPU statistics from /proc/stat */ static void get_cpu_statistics(struct stats_cpu *sc) { @@ -509,7 +483,9 @@ int iostat_main(int argc, char **argv) G.clk_tck = get_user_hz(); /* Determine number of CPUs */ - G.total_cpus = get_number_of_cpus(); + G.total_cpus = get_cpu_count(); + if (G.total_cpus == 0) + G.total_cpus = 1; /* Parse and process arguments */ /* -k and -m are mutually exclusive */ |