Bug 205953

Summary:	print fmt logic needs to handle offsets of functions
Product:	Tools	Reporter:	Steven Rostedt (rostedt)
Component:	Trace-cmd/Kernelshark	Assignee:	Steven Rostedt (rostedt)
Status:	RESOLVED CODE_FIX
Severity:	normal
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	N/A	Subsystem:
Regression:	No	Bisected commit-id:
Attachments:	Patch to process the function names in print fmt file

Description Steven Rostedt 2019-12-23 20:17:00 UTC

Created attachment 286407 [details]
Patch to process the function names in print fmt file

The preempt and irq enable/disable trace events save a 32 bit offset from "_stext". But since trace-cmd does not process the "_stext" location (just returns zero), it does not show the addresses correctly.

See https://lore.kernel.org/r/20191127154428.191095-1-antonio.borneo@st.com

Comment 1 Steven Rostedt 2020-07-09 19:41:20 UTC

Fixed by commit e3207271be7d ("tools lib traceevent: Let function symbols be used in operations").