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add disk io test command

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This commit is contained in:
winlin 2014-07-27 17:59:19 +08:00
parent 4f4b15f500
commit 42464cbe1f
1 changed files with 4 additions and 0 deletions
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4
trunk/src/app/srs_app_utility.hpp
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@ -325,6 +325,10 @@ extern void srs_update_proc_stat();
// @see: http://stackoverflow.com/questions/4458183/how-the-util-of-iostat-is-computed // @see: http://stackoverflow.com/questions/4458183/how-the-util-of-iostat-is-computed
// for total disk io, @see: cat /proc/vmstat |grep pgpg // for total disk io, @see: cat /proc/vmstat |grep pgpg
// for device disk io, @see: cat /proc/diskstats // for device disk io, @see: cat /proc/diskstats
// @remark, user can use command to test the disk io:
// time dd if=/dev/zero bs=1M count=2048 of=file_2G
// @remark, the iotop is right, the iostat and dstat result seems not ok.
// where the dd command will give the write MBps, it's absolutely right.
class SrsDiskStat class SrsDiskStat
{ {
public: public: