diff options
| author | Kalesh Singh <kaleshsingh@google.com> | 2021-10-25 13:08:36 -0700 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-10-26 20:27:19 -0400 |
| commit | c5eac6ee8bc5d32e48b3845472b547574061f49f (patch) | |
| tree | 10595205f94eef9d1b4aeb5870d04560e9b7a96a /fs | |
| parent | 9710b2f341a0d96f35b911580639853cfda4677d (diff) | |
tracing/histogram: Simplify handling of .sym-offset in expressions
The '-' in .sym-offset can confuse the hist trigger arithmetic
expression parsing. Simplify the handling of this by replacing the
'sym-offset' with 'symXoffset'. This allows us to correctly evaluate
expressions where the user may have inadvertently added a .sym-offset
modifier to one of the operands in an expression, instead of bailing
out. In this case the .sym-offset has no effect on the evaluation of the
expression. The only valid use of the .sym-offset is as a hist key
modifier.
Link: https://lkml.kernel.org/r/20211025200852.3002369-5-kaleshsingh@google.com
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'fs')
0 files changed, 0 insertions, 0 deletions