valgrind - callgrind output in specific file -

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i want redirect output of callgrind file name call_grind.txt. when ever trying that, file generated there no output inside file. below example. valgrind --tool=callgrind --callgrind-out-file=/tmp/call_grind.txt , not getting callgrind.out. file in system. located. according understanding if run below command show create callgrind.out. file. valgrind --tool=callgrind

so how use tool , how read output file

the callgrind.out.<pid> or file specified --callgrind-out-file created if valgrind finished running successfully. check process exit code make sure 0 see if succeeded.


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