diff options
| author | George V. Neville-Neil <gnn@FreeBSD.org> | 2012-05-12 20:38:18 +0000 |
|---|---|---|
| committer | George V. Neville-Neil <gnn@FreeBSD.org> | 2012-05-12 20:38:18 +0000 |
| commit | 055173dba4a263acf10325a49eebf82915369ed2 (patch) | |
| tree | aec2772e8855e6dbaea6d8136ed0c47bcb825dee /Examples/fspaging_example.txt | |
| parent | 87c8f7aa3a46118212b99f0d58b18aa93c06b02a (diff) | |
Notes
Diffstat (limited to 'Examples/fspaging_example.txt')
| -rw-r--r-- | Examples/fspaging_example.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Examples/fspaging_example.txt b/Examples/fspaging_example.txt new file mode 100644 index 000000000000..c29cb086b832 --- /dev/null +++ b/Examples/fspaging_example.txt @@ -0,0 +1,32 @@ +The following is a short sample of output from the fspaging.d script. + + +fspaging.d traces syscall read and writes, vnode interface reads, writes, +getpage and putpage, and disk io. + + # ./fspaging.d + Event Device RW Size Offset Path + disk_io dad1 R 1024 0 /extra1 + disk_io dad1 R 8192 0 <none> + disk_io dad1 R 2048 0 <none> + sc-write . W 51200 0 /extra1/outfile + fop_write . W 51200 0 /extra1/outfile + fop_getpage . R 8192 0 /extra1/50k + disk_io dad1 R 8192 0 /extra1/50k + disk_ra dad1 R 8192 8 /extra1/50k + fop_getpage . R 8192 8 /extra1/50k + disk_ra dad1 R 34816 16 /extra1/50k + fop_getpage . R 8192 16 /extra1/50k + fop_getpage . R 8192 24 /extra1/50k + fop_getpage . R 8192 32 /extra1/50k + fop_getpage . R 8192 40 /extra1/50k + fop_getpage . R 8192 48 /extra1/50k + fop_putpage . W 8192 0 /extra1/outfile + fop_putpage . W 8192 8 /extra1/outfile + fop_putpage . W 8192 16 /extra1/outfile + fop_putpage . W 8192 24 /extra1/outfile + fop_putpage . W 8192 32 /extra1/outfile + fop_putpage . W 8192 40 /extra1/outfile + disk_io dad1 W 51200 0 /extra1/outfile + +For a full discussion of this example, see fsrw_example.txt. |