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| author | Steve Dickson <steved@redhat.com> | 2011-04-14 14:10:22 -0400 |
|---|---|---|
| committer | Steve Dickson <steved@redhat.com> | 2011-04-14 14:10:22 -0400 |
| commit | efb5e22eb4732a20b1b9fe909be89348aa59ae19 (patch) | |
| tree | 13c328b9d14e234d6beccbc81983bdc987519d0a | |
| parent | a785da0ef3671f1c73b9d69e77f1b1f65d7ef76c (diff) | |
| download | systemtap-efb5e22eb4732a20b1b9fe909be89348aa59ae19.tar.gz systemtap-efb5e22eb4732a20b1b9fe909be89348aa59ae19.tar.xz systemtap-efb5e22eb4732a20b1b9fe909be89348aa59ae19.zip | |
Added nfs/nfs_dio.stp
Signed-off-by: Steve Dickson <steved@redhat.com>
| -rw-r--r-- | nfs/nfs_dio.stp | 13 | ||||
| -rw-r--r-- | nfs/nfs_readpages.stp | 7 |
2 files changed, 17 insertions, 3 deletions
diff --git a/nfs/nfs_dio.stp b/nfs/nfs_dio.stp new file mode 100644 index 0000000..84141d1 --- /dev/null +++ b/nfs/nfs_dio.stp @@ -0,0 +1,13 @@ +/* +probe module("nfs").function("nfs_direct_write") +{ + printf(" nfs_direct_write: count %d \n", $count); +} +*/ +probe module("nfs").statement("*@fs/nfs/direct.c:1000") +{ + printf(" nfs_direct_write: count %d \n", $count); +} + +probe begin { log("starting NFS probe") } +probe end { log("ending NFS probe") } diff --git a/nfs/nfs_readpages.stp b/nfs/nfs_readpages.stp index 852953c..7788573 100644 --- a/nfs/nfs_readpages.stp +++ b/nfs/nfs_readpages.stp @@ -1,15 +1,16 @@ -global read_pages_start_time, read_pages_time, read_pages_longest +global read_pages_start_time, read_pages_time, read_pages_longest,num_pages probe module("nfs").function("nfs_readpages") { + num_pages = $nr_pages read_pages_start_time = gettimeofday_us() } probe module("nfs").function("nfs_readpages").return { read_pages_time <<< gettimeofday_us() - read_pages_start_time if (@max(read_pages_time) > read_pages_longest) { - printf ("%s: %s time avg %d max %d\n", execname(), probefunc(), - @avg(read_pages_time), @max(read_pages_time)) + printf ("%s: %s time avg %d max %d pages %d\n", execname(), probefunc(), + @avg(read_pages_time), @max(read_pages_time), num_pages) } read_pages_longest = @max(read_pages_time) } |