This reads blkio stats from blkio.throttle.io_service_bytes and blkio.throttle.io_serviced. --- src/libvirt_private.syms | 2 + src/util/vircgroup.c | 208 +++++++++++++++++++++++++++++++++++++++++++++++ src/util/vircgroup.h | 12 +++ 3 files changed, 222 insertions(+)
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 3b3de15..edbf6ba 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -1003,6 +1003,8 @@ virCgroupDenyDevice; virCgroupDenyDeviceMajor; virCgroupDenyDevicePath; virCgroupFree; +virCgroupGetBlkioIoDeviceServiced; +virCgroupGetBlkioIoServiced; virCgroupGetBlkioWeight; virCgroupGetCpuacctPercpuUsage; virCgroupGetCpuacctStat; diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c index 43eb649..1a579f0 100644 --- a/src/util/vircgroup.c +++ b/src/util/vircgroup.c @@ -1826,6 +1826,191 @@ virCgroupGetBlkioWeight(virCgroupPtr group, unsigned int *weight)
/** + * virCgroupGetBlkioIoServiced: + * + * @group: The cgroup to get throughput for + * @kb: Pointer to returned serviced io in kilobytes + * + * Returns: 0 on success, -1 on error + */ +int +virCgroupGetBlkioIoServiced(virCgroupPtr group, + long long *bytes_read, + long long *bytes_write, + long long *requests_read, + long long *requests_write) +{ + long long stats_val; + char *str1=NULL, *str2=NULL, *p1, *p2;
On 01/15/2014 07:23 AM, Thorsten Behrens wrote: please add blank. char *str1 = NULL, *str2 = NULL, *p1, *p2;