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authorSteven Rostedt (VMware) <rostedt@goodmis.org>2018-11-20 12:51:07 -0500
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2018-11-27 20:31:55 -0500
commitb1b35f2e218a5b57d03bbc3b0667d5064570dc60 (patch)
tree98c58046d2d058096a9fd8f2488b17bb102d19dc /scripts/module-common.lds
parent7c6ea35ef50810aa12ab26f21cb858d980881576 (diff)
function_graph: Have profiler use curr_ret_stack and not depth
The profiler uses trace->depth to find its entry on the ret_stack, but the depth may not match the actual location of where its entry is (if an interrupt were to preempt the processing of the profiler for another function, the depth and the curr_ret_stack will be different). Have it use the curr_ret_stack as the index to find its ret_stack entry instead of using the depth variable, as that is no longer guaranteed to be the same. Cc: stable@kernel.org Fixes: 03274a3ffb449 ("tracing/fgraph: Adjust fgraph depth before calling trace return callback") Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'scripts/module-common.lds')
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