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Diffstat (limited to 'Examples/pl_flow_example.txt')
| -rw-r--r-- | Examples/pl_flow_example.txt | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/Examples/pl_flow_example.txt b/Examples/pl_flow_example.txt new file mode 100644 index 000000000000..dcce6e04de03 --- /dev/null +++ b/Examples/pl_flow_example.txt @@ -0,0 +1,179 @@ +The following are examples of pl_flow.d. + +This is a simple script to trace the flow of Perl subroutines (functions). +Here it traces the example program, Code/Perl/func_abc.pl. + + # pl_flow.d + C TIME(us) FILE -- SUB + 0 2979519183757 func_abc.pl -> func_a + 0 2979520190159 func_abc.pl -> func_b + 0 2979521200166 func_abc.pl -> func_c + 0 2979522210184 func_abc.pl <- func_c + 0 2979522210199 func_abc.pl <- func_b + 0 2979522210207 func_abc.pl <- func_a + ^C + +As each subroutine is entered, the third column is indented by 2 spaces. This +shows which subroutine is calling who - the output abovebegins by showing that +func_a() began, and then called func_b(). + +If the output looks shuffled, check the CPU "C" and "TIME" columns, and +post sort based on TIME if necessary. + +See Notes/ALLflow_notes.txt for important notes about reading flow outputs. + + + +The following traces a Perl network interface statistics tool, "nicstat" +version 0.99, + +# pl_flow.d + C TIME(us) FILE -- SUB + 0 4181899422549 nicstat -> BEGIN + 0 4181899423048 strict.pm -> bits + 0 4181899423081 strict.pm <- bits + 0 4181899423105 strict.pm -> import + 0 4181899423126 strict.pm <- import + 0 4181899423133 nicstat <- BEGIN + 0 4181899423157 nicstat -> BEGIN + 0 4181899445634 Exporter.pm -> import + 0 4181899445730 Exporter.pm <- import + 0 4181899445743 nicstat <- BEGIN + 0 4181899445770 nicstat -> BEGIN + 0 4181899446066 Kstat.pm -> BEGIN + 0 4181899446076 strict.pm -> import + 0 4181899446087 strict.pm <- import + 0 4181899446094 Kstat.pm <- BEGIN + 0 4181899446116 Kstat.pm -> BEGIN + 0 4181899453669 DynaLoader.pm -> BEGIN + 0 4181899453810 vars.pm -> BEGIN + 0 4181899453821 vars.pm <- BEGIN + 0 4181899453921 vars.pm -> BEGIN + 0 4181899454494 warnings.pm -> BEGIN + 0 4181899455149 warnings.pm <- BEGIN + 0 4181899457183 register.pm -> import + 0 4181899457202 register.pm -> mkMask + 0 4181899457214 register.pm <- mkMask + 0 4181899457264 register.pm -> mkMask + 0 4181899457274 register.pm <- mkMask + 0 4181899457283 register.pm <- import + 0 4181899457290 vars.pm <- BEGIN + 0 4181899457316 vars.pm -> BEGIN + 0 4181899457324 strict.pm -> import + 0 4181899457332 strict.pm -> bits + 0 4181899457345 strict.pm <- bits + 0 4181899457353 strict.pm <- import + 0 4181899457359 vars.pm <- BEGIN + 0 4181899457652 vars.pm -> import + 0 4181899457703 vars.pm <- import + 0 4181899457710 DynaLoader.pm <- BEGIN + 0 4181899457758 DynaLoader.pm -> BEGIN + 0 4181899457883 Config.pm -> BEGIN + 0 4181899457890 strict.pm -> import + 0 4181899457899 strict.pm <- import + 0 4181899457906 Config.pm <- BEGIN + 0 4181899458038 Config.pm -> BEGIN + 0 4181899458045 strict.pm -> unimport + 0 4181899458053 strict.pm -> bits + 0 4181899458063 strict.pm <- bits + 0 4181899458077 strict.pm <- unimport + 0 4181899458084 Config.pm <- BEGIN + 0 4181899458426 Config.pm -> TIEHASH + 0 4181899458435 Config.pm <- TIEHASH + 0 4181899458476 Config.pm -> import + 0 4181899458493 Config.pm <- import + 0 4181899458500 DynaLoader.pm <- BEGIN + 0 4181899459978 AutoLoader.pm -> BEGIN + 0 4181899459990 strict.pm -> import + 0 4181899460033 strict.pm <- import + 0 4181899460064 AutoLoader.pm <- BEGIN + 0 4181899460088 AutoLoader.pm -> BEGIN + 0 4181899460096 AutoLoader.pm <- BEGIN + 0 4181899460187 AutoLoader.pm -> BEGIN + 0 4181899460199 AutoLoader.pm <- BEGIN + 0 4181899460582 AutoLoader.pm -> BEGIN + 0 4181899460590 strict.pm -> unimport + 0 4181899460598 strict.pm -> bits + 0 4181899460611 strict.pm <- bits + 0 4181899460619 strict.pm <- unimport + 0 4181899460625 AutoLoader.pm <- BEGIN + 0 4181899460830 AutoLoader.pm -> BEGIN + 0 4181899460838 strict.pm -> unimport + 0 4181899460845 strict.pm -> bits + 0 4181899460855 strict.pm <- bits + 0 4181899460862 strict.pm <- unimport + 0 4181899460869 AutoLoader.pm <- BEGIN + 0 4181899461092 AutoLoader.pm -> BEGIN + 0 4181899461100 strict.pm -> unimport + 0 4181899461107 strict.pm -> bits + 0 4181899461116 strict.pm <- bits + 0 4181899461124 strict.pm <- unimport + 0 4181899461130 AutoLoader.pm <- BEGIN + 0 4181899461238 Config.pm -> FETCH + 0 4181899461250 Config.pm <- FETCH + 0 4181899461264 Config.pm -> FETCH + 0 4181899461272 Config.pm <- FETCH + 0 4181899461282 Config.pm -> FETCH + 0 4181899461290 Config.pm <- FETCH + 0 4181899461299 Config.pm -> FETCH + 0 4181899461307 Config.pm <- FETCH + 0 4181899461403 Kstat.pm <- BEGIN + 0 4181899461432 Kstat.pm -> BEGIN + 0 4181899461440 vars.pm -> import + 0 4181899461476 vars.pm <- import + 0 4181899461483 Kstat.pm <- BEGIN + 0 4181899461539 DynaLoader.pm -> bootstrap + 0 4181899461769 DynaLoader.pm -> dl_load_flags + 0 4181899461777 DynaLoader.pm <- dl_load_flags + 0 4181899462208 DynaLoader.pm <- bootstrap + 0 4181899462231 nicstat <- BEGIN + 0 4181899468306 Std.pm -> getopts + 0 4181899468351 Exporter.pm -> import + 0 4181899468390 Exporter.pm <- import + 0 4181899468405 Std.pm <- getopts + 0 4181899468426 nicstat -> find_nets + 0 4181899521011 nicstat <- find_nets + 0 4181899521415 nicstat -> fetch_net_data + 0 4181899564973 nicstat <- fetch_net_data + 0 4181899565526 nicstat -> print_neat + 0 4181899565672 nicstat <- print_neat + 0 4181899565680 nicstat -> print_neat + 0 4181899565902 nicstat <- print_neat + 0 4181899565909 nicstat -> print_neat + 0 4181899566033 nicstat <- print_neat + 0 4181899566039 nicstat -> print_neat + 0 4181899566165 nicstat <- print_neat + 0 4181899566172 nicstat -> print_neat + 0 4181899566331 nicstat <- print_neat + 0 4181899566338 nicstat -> print_neat + 0 4181899566494 nicstat <- print_neat + 0 4181899566791 nicstat -> print_neat + 0 4181899566953 nicstat <- print_neat + 0 4181899566961 nicstat -> print_neat + 0 4181899567085 nicstat <- print_neat + 0 4181899567091 nicstat -> print_neat + 0 4181899567247 nicstat <- print_neat + 0 4181899567254 nicstat -> print_neat + 0 4181899567377 nicstat <- print_neat + 0 4181899567383 nicstat -> print_neat + 0 4181899567538 nicstat <- print_neat + 0 4181899567544 nicstat -> print_neat + 0 4181899567666 nicstat <- print_neat + 0 4181899567977 nicstat -> print_neat + 0 4181899568232 nicstat <- print_neat + 0 4181899568240 nicstat -> print_neat + 0 4181899568397 nicstat <- print_neat + 0 4181899568404 nicstat -> print_neat + 0 4181899568528 nicstat <- print_neat + 0 4181899568535 nicstat -> print_neat + 0 4181899568656 nicstat <- print_neat + 0 4181899568663 nicstat -> print_neat + 0 4181899568819 nicstat <- print_neat + 0 4181899568826 nicstat -> print_neat + 0 4181899568947 nicstat <- print_neat + 0 4181899572708 Config.pm -> DESTROY + 0 4181899572735 Config.pm <- DESTROY + +After initialising Perl libraries and modules, the "nicstat" program ran, +the output matching what was expected from the source. + |