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mpstat: code shrink

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function                                             old     new   delta
get_uptime                                           134     129      -5
get_irqs_from_stat                                   110     103      -7

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2015-01-05 18:39:23 +01:00
parent 75a1403f26
commit 1ec49732e2
1 changed files with 2 additions and 6 deletions
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8
procps/mpstat.c
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@ -522,9 +522,7 @@ static void get_irqs_from_stat(struct stats_irq *irq)
FILE *fp; FILE *fp;
char buf[1024]; char buf[1024];
fp = fopen_for_read(PROCFS_STAT); fp = xfopen_for_read(PROCFS_STAT);
if (!fp)
return;
while (fgets(buf, sizeof(buf), fp)) { while (fgets(buf, sizeof(buf), fp)) {
//bb_error_msg("/proc/stat:'%s'", buf); //bb_error_msg("/proc/stat:'%s'", buf);
@ -644,9 +642,7 @@ static void get_uptime(data_t *uptime)
char buf[sizeof(long)*3 * 2 + 4]; /* enough for long.long */ char buf[sizeof(long)*3 * 2 + 4]; /* enough for long.long */
unsigned long uptime_sec, decimal; unsigned long uptime_sec, decimal;
fp = fopen_for_read(PROCFS_UPTIME); fp = xfopen_for_read(PROCFS_UPTIME);
if (!fp)
return;
if (fgets(buf, sizeof(buf), fp)) { if (fgets(buf, sizeof(buf), fp)) {
if (sscanf(buf, "%lu.%lu", &uptime_sec, &decimal) == 2) { if (sscanf(buf, "%lu.%lu", &uptime_sec, &decimal) == 2) {
*uptime = (data_t)uptime_sec * G.hz + decimal * G.hz / 100; *uptime = (data_t)uptime_sec * G.hz + decimal * G.hz / 100;