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Diffstat (limited to 'runtime/probes/where_func/README')
| -rw-r--r-- | runtime/probes/where_func/README | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/runtime/probes/where_func/README b/runtime/probes/where_func/README deleted file mode 100644 index 78009566..00000000 --- a/runtime/probes/where_func/README +++ /dev/null @@ -1,29 +0,0 @@ -/** @dir where_func -This is a silly little instrumentation routine to instrument functions -entry by name. It makes use of the SystemTap runtime libraries to break -down the number of times the function by caller. - -It demonstrates kprobes, passing a module parameter, using the print buffer, -and using _stp_print_symbol() to map the addresses back to locations -in functions. - -By default it instruments schedule(). - -The instrumentation module is built by having the kernel that is going -to be instrumented currently on the machine and doing -\code -./build -\endcode -The instrumentation is inserted as root with: -\code -/sbin/insmod kprobe_funct_where.ko funct_name=function_name -\endcode -The instrumentation is removed as root with: -\code -/sbin/rmmod kprobe_funct_where -\endcode --Will Cohen - -Note that this module is broken now because we don't pass the module parameter -tp staprun. FIXME -*/ |