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authorJohannes Stoelp <johannes.stoelp@gmail.com>2021-11-13 23:00:09 +0100
committerJohannes Stoelp <johannes.stoelp@gmail.com>2021-11-13 23:00:09 +0100
commit364b1580accf607d8edacbe15376ef785b5b4d9a (patch)
tree251fc54de9bf2f6391523680e10b3d16f38cb8b3 /src/trace_profile
parentd646cf94c0cbe74baef5e5711a3cd3f53afc096d (diff)
downloadnotes-364b1580accf607d8edacbe15376ef785b5b4d9a.tar.gz
notes-364b1580accf607d8edacbe15376ef785b5b4d9a.zip
strace: add useful flags + update examples
Diffstat (limited to 'src/trace_profile')
-rw-r--r--src/trace_profile/strace.md6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/trace_profile/strace.md b/src/trace_profile/strace.md
index c610df3..ce77d17 100644
--- a/src/trace_profile/strace.md
+++ b/src/trace_profile/strace.md
@@ -9,6 +9,10 @@ strace [opts] [prg]
-o <file> ... log output into <file>
-c .......... dump syscall statitics at the end
-k .......... dump stack trace for each syscall
+ -P <path> ... only trace syscall accesing path
+ -y .......... print paths for FDs
+ -tt ......... print absolute timestamp (with us precision)
+ -r .......... print relative timestamp
```
```markdown
@@ -29,5 +33,5 @@ strace -f -e trace=open,socket -p <pid>
Trace signals delivered to a running process:
```markdown
-strace -f -e signal -p <pid>
+strace -e signal -e 'trace=!all' -p <pid>
```