From 6b8fc3bd1d851893f817f47be3a16ea117c09681 Mon Sep 17 00:00:00 2001 From: Adrian Reber Date: Fri, 5 Nov 2021 15:18:17 +0000 Subject: Add 'stats-dump' file to exported checkpoint There was the question about how long it takes to create a checkpoint. CRIU already provides some statistics about how long it takes to create a checkpoint and similar. With this change the file 'stats-dump' is included in the checkpoint archive and the tool checkpointctl can be used to display these statistics: ./checkpointctl show -t /tmp/cp.tar --print-stats Displaying container checkpoint data from /tmp/dump.tar [...] CRIU dump statistics +---------------+-------------+--------------+---------------+---------------+---------------+ | FREEZING TIME | FROZEN TIME | MEMDUMP TIME | MEMWRITE TIME | PAGES SCANNED | PAGES WRITTEN | +---------------+-------------+--------------+---------------+---------------+---------------+ | 105405 us | 1376964 us | 504399 us | 446571 us | 492153 | 88689 | +---------------+-------------+--------------+---------------+---------------+---------------+ Signed-off-by: Adrian Reber --- libpod/container_internal_linux.go | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'libpod') diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go index 2fd519990..3187724ca 100644 --- a/libpod/container_internal_linux.go +++ b/libpod/container_internal_linux.go @@ -21,6 +21,7 @@ import ( "time" metadata "github.com/checkpoint-restore/checkpointctl/lib" + "github.com/checkpoint-restore/go-criu/v5/stats" cdi "github.com/container-orchestrated-devices/container-device-interface/pkg" "github.com/containernetworking/plugins/pkg/ns" "github.com/containers/buildah/pkg/chrootuser" @@ -1013,6 +1014,7 @@ func (c *Container) exportCheckpoint(options ContainerCheckpointOptions) error { metadata.ConfigDumpFile, metadata.SpecDumpFile, metadata.NetworkStatusFile, + stats.StatsDump, } if c.LogDriver() == define.KubernetesLogging || @@ -1197,7 +1199,7 @@ func (c *Container) checkpoint(ctx context.Context, options ContainerCheckpointO if !options.Keep && !options.PreCheckPoint { cleanup := []string{ "dump.log", - "stats-dump", + stats.StatsDump, metadata.ConfigDumpFile, metadata.SpecDumpFile, } @@ -1564,8 +1566,8 @@ func (c *Container) restore(ctx context.Context, options ContainerCheckpointOpti cleanup := [...]string{ "restore.log", "dump.log", - "stats-dump", - "stats-restore", + stats.StatsDump, + stats.StatsRestore, metadata.NetworkStatusFile, metadata.RootFsDiffTar, metadata.DeletedFilesFile, -- cgit v1.2.3-54-g00ecf