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| author | Alan D. Brunelle <Alan.Brunelle@hp.com> | 2006-12-19 08:18:38 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2006-12-19 08:18:38 +0100 |
| commit | 8afe3d7d64eaae67e96ea48af2d98df1e15cfc65 (patch) | |
| tree | 0309d77677e71f3980e2be873f64e8d984a8c44b /blkparse.c | |
| parent | fe92fbb89695321292b6bf97cffdab72836a999a (diff) | |
| download | blktrace-8afe3d7d64eaae67e96ea48af2d98df1e15cfc65.tar.gz blktrace-8afe3d7d64eaae67e96ea48af2d98df1e15cfc65.tar.bz2 | |
PATCH: blkparse: fix probem with empty trace files stopping the check for other files
Fix problem where empty input files cause premature parsing of files.
Had a problem where CPU 0 opened a file with 0 traces, and that caused the
run to end before processing other trace files.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'blkparse.c')
| -rw-r--r-- | blkparse.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -2249,8 +2249,10 @@ static int setup_file(struct per_dev_info *pdi, int cpu) snprintf(pci->fname + len, sizeof(pci->fname)-1-len, "%s.blktrace.%d", pdi->name, pci->cpu); - if (stat(pci->fname, &st) < 0 || !st.st_size) + if (stat(pci->fname, &st) < 0) return 0; + if (!st.st_size) + return 1; pci->fd = open(pci->fname, O_RDONLY); if (pci->fd < 0) { |