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refine the disk iops stat, get cpu info.

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This commit is contained in:
winlin 2014-07-27 17:46:31 +08:00
parent ef7a02e643
commit 4f4b15f500
3 changed files with 9 additions and 7 deletions
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11
trunk/src/app/srs_app_utility.cpp
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@ -490,6 +490,9 @@ void srs_update_disk_stat()
if (!srs_get_disk_diskstats_stat(r)) {
return;
}
if (!get_proc_system_stat(r.cpu)) {
return;
}
SrsDiskStat& o = _srs_disk_stat;
if (!o.ok) {
@ -513,16 +516,16 @@ void srs_update_disk_stat()
}
// diskstats
if (true) {
SrsProcSystemStat* cpu = srs_get_system_proc_stat();
if (r.cpu.ok && o.cpu.ok) {
SrsCpuInfo* cpuinfo = srs_get_cpuinfo();
r.cpu.total_delta = r.cpu.total() - o.cpu.total();
if (cpu->ok && cpu->total_delta > 0
if (r.cpu.ok && r.cpu.total_delta > 0
&& cpuinfo->ok && cpuinfo->nb_processors > 0
&& o.ticks < r.ticks
) {
// @see: print_partition_stats() of iostat.c
double delta_ms = cpu->total_delta * 10 / cpuinfo->nb_processors;
double delta_ms = r.cpu.total_delta * 10 / cpuinfo->nb_processors;
unsigned int ticks = r.ticks - o.ticks;
// busy in [0, 1], where 0.1532 means 15.32%