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c1c49204b0
The message does not indicate the possibility that the symbol is not found because the file does not exist. Before: $ perf record -e intel_pt//u --filter 'filter strcmp / strcpy @ foo ' ls Symbol 'strcmp' not found. Note that symbols must be functions. Failed to parse address filter: 'filter strcmp / strcpy @ foo ' Filter format is: filter|start|stop|tracestop <start symbol or address> [/ <end symbol or size>] [@<file name>] Where multiple filters are separated by space or comma. After: $ perf record -e intel_pt//u --filter 'filter strcmp / strcpy @ foo ' ls File 'foo' not found or has no symbols. Symbol 'strcmp' not found. Note that symbols must be functions. Failed to parse address filter: 'filter strcmp / strcpy @ foo ' Filter format is: filter|start|stop|tracestop <start symbol or address> [/ <end symbol or size>] [@<file name>] Where multiple filters are separated by space or comma. Reported-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: https://lkml.kernel.org/n/tip-dvngzxd0jkplzw1ary69dilb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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