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| author | Xiao Guangrong | 2018-09-06 09:01:00 +0200 |
|---|---|---|
| committer | Dr. David Alan Gilbert | 2018-09-26 13:27:27 +0200 |
| commit | 76e030004f7fbabc2f978e8cd44052e17abd55b2 (patch) | |
| tree | a082f6700d63b14e26cdba005e42f06640dff2b5 /hmp.c | |
| parent | migration: do not flush_compressed_data at the end of iteration (diff) | |
| download | qemu-76e030004f7fbabc2f978e8cd44052e17abd55b2.tar.gz qemu-76e030004f7fbabc2f978e8cd44052e17abd55b2.tar.xz qemu-76e030004f7fbabc2f978e8cd44052e17abd55b2.zip | |
migration: show the statistics of compression
Currently, it includes:
pages: amount of pages compressed and transferred to the target VM
busy: amount of count that no free thread to compress data
busy-rate: rate of thread busy
compressed-size: amount of bytes after compression
compression-rate: rate of compressed size
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@tencent.com>
Message-Id: <20180906070101.27280-3-xiaoguangrong@tencent.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'hmp.c')
| -rw-r--r-- | hmp.c | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -271,6 +271,19 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) info->xbzrle_cache->overflow); } + if (info->has_compression) { + monitor_printf(mon, "compression pages: %" PRIu64 " pages\n", + info->compression->pages); + monitor_printf(mon, "compression busy: %" PRIu64 "\n", + info->compression->busy); + monitor_printf(mon, "compression busy rate: %0.2f\n", + info->compression->busy_rate); + monitor_printf(mon, "compressed size: %" PRIu64 "\n", + info->compression->compressed_size); + monitor_printf(mon, "compression rate: %0.2f\n", + info->compression->compression_rate); + } + if (info->has_cpu_throttle_percentage) { monitor_printf(mon, "cpu throttle percentage: %" PRIu64 "\n", info->cpu_throttle_percentage); |