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callgraph.txt
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callgraph.stp - Simple Callgraph Tracing Print a timed per-thread microsecond-timed nested callgraph. The first parameter names the function probe points to trace. For tracing calls to a single function: $ stap callgraph.stp 'kernel.function("sys_open")' 0 nscd(23451):->SyS_open 6 nscd(23451):<-SyS_open 0 nscd(23451):->SyS_open 7 nscd(23451):<-SyS_open 0 roxterm(21323):->SyS_open 43 roxterm(21323):<-SyS_open 0 roxterm(21323):->SyS_open 2604 roxterm(21323):<-SyS_open 0 systemd-udevd(637):->SyS_open 268 systemd-udevd(637):<-SyS_open 0 roxterm(21323):->SyS_open 24 roxterm(21323):<-SyS_open [...] For tracing all functions in a binary: $ stap callgraph.stp 'process("/bin/ls").function("*")' 0 ls(4261):->main 6 ls(4261): ->set_program_name 12 ls(4261): <-set_program_name 49 ls(4261): ->atexit 53 ls(4261): <-atexit 62 ls(4261): ->human_options 66 ls(4261): <-human_options 68 ls(4261): ->clone_quoting_options 73 ls(4261): ->xmemdup 77 ls(4261): ->xmalloc 81 ls(4261): <-xmalloc 83 ls(4261): <-xmemdup 84 ls(4261): <-clone_quoting_options 85 ls(4261): ->get_quoting_style 89 ls(4261): <-get_quoting_style 90 ls(4261): ->clone_quoting_options 94 ls(4261): ->xmemdup 98 ls(4261): ->xmalloc 101 ls(4261): <-xmalloc 103 ls(4261): <-xmemdup 104 ls(4261): <-clone_quoting_options 105 ls(4261): ->set_char_quoting 109 ls(4261): <-set_char_quoting 110 ls(4261): ->xmalloc 115 ls(4261): <-xmalloc 117 ls(4261): ->clear_files 121 ls(4261): <-clear_files 122 ls(4261): ->queue_directory 126 ls(4261): ->xmalloc 130 ls(4261): <-xmalloc 131 ls(4261): ->xstrdup 135 ls(4261): ->xmemdup 139 ls(4261): ->xmalloc 143 ls(4261): <-xmalloc 144 ls(4261): <-xmemdup 145 ls(4261): <-xstrdup 146 ls(4261): <-queue_directory 152 ls(4261): ->clear_files 156 ls(4261): <-clear_files 178 ls(4261): ->gobble_file.constprop.49 182 ls(4261): ->xstrdup 186 ls(4261): ->xmemdup 189 ls(4261): ->xmalloc 193 ls(4261): <-xmalloc 194 ls(4261): <-xmemdup 195 ls(4261): <-xstrdup 197 ls(4261): <-gobble_file.constprop.49 198 ls(4261): ->process_signals 202 ls(4261): <-process_signals [...] 4847 ls(4261): ->print_file_name_and_frills 4851 ls(4261): ->set_normal_color 4854 ls(4261): <-set_normal_color 4855 ls(4261): ->print_name_with_quoting 4863 ls(4261): ->quote_name 4867 ls(4261): ->quotearg_buffer 4870 ls(4261): ->quotearg_buffer_restyled 4874 ls(4261): <-quotearg_buffer_restyled 4875 ls(4261): <-quotearg_buffer 4877 ls(4261): <-quote_name 4878 ls(4261): ->process_signals 4881 ls(4261): <-process_signals 4882 ls(4261): <-print_name_with_quoting 4884 ls(4261): <-print_file_name_and_frills 4885 ls(4261): <-print_current_files 4888 ls(4261): ->close_stdout 4892 ls(4261): ->close_stream 4906 ls(4261): ->rpl_fclose 4910 ls(4261): ->rpl_fflush 4915 ls(4261): <-rpl_fflush 4922 ls(4261): <-rpl_fclose 4923 ls(4261): <-close_stream 4925 ls(4261): ->close_stream 4928 ls(4261): ->rpl_fclose 4932 ls(4261): ->rpl_fflush 4935 ls(4261): <-rpl_fflush 4937 ls(4261): <-rpl_fclose 4939 ls(4261): <-close_stream 4940 ls(4261): <-close_stdout 4943 ls(4261): ->__do_global_dtors_aux 4947 ls(4261): ->deregister_tm_clones 4950 ls(4261): <-deregister_tm_clones 4951 ls(4261): <-__do_global_dtors_aux 4953 ls(4261): ->_fini 4956 ls(4261): <-_fini