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Diffstat (limited to 'runtime/staprun/ChangeLog')
| -rw-r--r-- | runtime/staprun/ChangeLog | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/runtime/staprun/ChangeLog b/runtime/staprun/ChangeLog new file mode 100644 index 00000000..9f8a6595 --- /dev/null +++ b/runtime/staprun/ChangeLog @@ -0,0 +1,412 @@ +2007-03-14 Martin Hunt <hunt@redhat.com> + + * staprun.c: Renamed from stpd.c. Removed quiet and print_only + options. Added "-x" option as an alias for "-t". Removed "-m" + option. Updated arg processing to leave 4 slots for modoptions[]. + Bump the priority of staprun. + * ctl.c: New. Transport control channel functions. + * relay.c: New. Relayfs control functions for new transport. + * relay_old.c: New. Relayfs control functions for older + versions of relayfs. + * mainloop.c: New. Staprun main loop. + * staprun.h: Renamed from librelay.h. Cleaned up. + + * stap_merge.c: Renamed. Updated for modified save format. + + +2006-12-11 Martin Hunt <hunt@redhat.com> + + * symbols.c (get_sections): Set buffer sizes to large enough + sizes to hold all possible values, but also include checks in case + we are wrong. + +2006-11-15 Martin Hunt <hunt@redhat.com> + + * symbols.c (do_kernel_symbols): Add sizeof(long) to sym_base + to preserve 64-bit alignment. + +2006-11-09 Martin Hunt <hunt@redhat.com> + + * librelay.c: Change all references to transport messages + to use the new names with "_stp" prefix. + (stp_main_loop): For STP_SYMBOLS, check pointer size and + endianess to confirm staprun is compatible with the kernel. + + * librelay.h: Move a bunch of common includes here. + * stpd.c: Cleanup includes. + * symbols.c: Ditto. + +2006-11-02 Martin Hunt <hunt@redhat.com> + + * symbols.c: New file. Sends symbol and module information to + the systemtap module. + + * librelay.c (stp_main_loop): Add STP_MODULE and STP_SYMBOLS + message handling. + + * librelay.h: Add some new function prototypes. + + * Makefile (CFLAGS): Set to be the same as for building modules. + Added symbols.c to sources. + +2006-10-10 Tom Zanussi <zanussi@us.ibm.com> + + * librelay.c (merge_output): Add check for min when writing + output, otherwise last write happens twice. + +2006-09-26 David Smith <dsmith@redhat.com> + + * Makefile: Changed 'stpd' references to 'staprun'. + * librelay.c: Ditto. + * stpd.c: Ditto. + +2006-09-25 Tom Zanussi <zanussi@us.ibm.com> + + * librelay.c (kill_percpu_threads): Remove printf. + (wait_for_percpu_threads): New. + (process_subbufs): Remove processing, processing_mutex, exit + thread if exiting flag set. + (read_last_buffers): Removed. + (cleanup_and_exit): Remove call to read_last_buffers, wait for + threads to read flushed buffers instead. + (stp_main_loop): Remove mutex init. + +2006-09-22 Tom Zanussi <zanussi@us.ibm.com> + + * librelay.c (init_relayfs): Cleanup if stp_check fails. + +2006-09-19 Tom Zanussi <zanussi@us.ibm.com> + + * librelay.c (init_relayfs): Add debugfs path to relay files and + add new systemtap directory to path. + (init_stp): rmmod module on failure. + (merge_output): Remove debugging printfs left in code. + (close_relay_files): Clear relay_file descriptor after close. + (cleanup_and_exit): Allow cleanup and exit even if there was an + error opening relay files. + (stp_main_loop): Call cleanup_and_exit() if init_relayfs() fails. + +2006-09-18 Martin Hunt <hunt@redhat.com> + + * stpd.c (usage): Remove "-m" option. + (main): Print warning if "-m" is used. + * librelay.c (merge_output): Rewrite to handle + new format that support binary. + (stp_main_loop): Read merge option from the + transport info message. + +2006-09-13 Martin Hunt <hunt@redhat.com> + + * librelay.c (init_relayfs): Exec stp_check and find + relay_filebase. + + * librelay.h (stp_main_loop): Fix declaration of init_stp(). + + * stpd.c (usage): Remove "-r" option. + (main): Don't find stpd_filebase and don't send it to init_stp(). + + +2006-08-02 Tom Zanussi <zanussi@us.ibm.com> + + * stpd.c (main): Use modname rather than driver_pid in + stpd_filebase. + +2006-07-20 Martin Hunt <hunt@redhat.com> + + * librelay.c (stp_main_loop): If module doesn't start, kill any + target command. + +2006-06-23 Tom Zanussi <zanussi@us.ibm.com> + + * librelay.c (cleanup_and_exit): Close relay files even if + not merging. + +2006-06-13 Martin Hunt <hunt@redhat.com> + + * librelay.c (start_cmd): Rewrite using sigwait() to eliminate + a race. + +2006-05-18 Martin Hunt <hunt@redhat.com> + + * librelay.c (stp_main_loop): Set output to always be line + buffered. + +2006-04-08 Martin Hunt <hunt@redhat.com> + + * librelay.c (stp_main_loop): Write with fwrite() instead + of fputs() so we can write binary data. + +2006-04-05 Martin Hunt <hunt@redhat.com> + * librelay.c (merge_output): Remove ANSI codes and write + warning to stderr. + +2006-04-05 Martin Hunt <hunt@redhat.com> + * librelay.c (merge_output): Set the output filename if necessary. + (merge_output): + + * stpd.c (main): Don't reset output_filename just because + relayfs is possible. Move that code to librelay.c. + +2006-04-04 Roland McGrath <roland@redhat.com> + + * stpd.c (main): Cast f_type when comparing; type differs by machine. + +2006-04-04 Tom Zanussi <zanussi@us.ibm.com> + + * stpd.c (main): Check that /mnt/relay is actually relayfs. + +2006-03-15 Tom Zanussi <zanussi@us.ibm.com> + + * stpd.c (main): Add runtime check for relayfs vs relay-on-proc. + +2006-03-06 Martin Hunt <hunt@redhat.com> + + * librelay.c (start_cmd): Set proper uid/gid before execing + command. + (system_cmd): New function. + (cleanup_and_exit): Wait for any child processes to complete. + (stp_main_loop): Recognize STP_SYSTEM message. + + * stpd.c (main): Add support for "-u username". + +2006-02-25 Martin Hunt <hunt@redhat.com> + + * librelay.c (init_stp): Better error handling and cleanup. + +2006-02-23 Frank Ch. Eigler <fche@elastic.org> + + PR 1304 + * stpd.c (mdooptions): New array. + (main): Populate it with leftover arguments. + * librelay.c (init_stp): Pass it to execve(). + +2005-12-08 Frank Ch. Eigler <fche@elastic.org> + + PR 1937 + * stpd.c (main): Support new "-d" option. + (usage): Document it. + * librelay.c (driver_poll): New function to react to death of + driver process. + (stp_main_loop): Call it if "-d PID" given. Treat SIGHUP like others. + +2005-10-19 Tom Zanussi <zanussi@us.ibm.com> + + * librelay.c: Move output_file var to stpd.c. + (stp_main_loop): If the output_file option was specified, + and streaming mode is being used, send output to the file + instead of stdout. If !streaming, send output to the file + instead of probe.out. + * stpd.c (usage): Add comment for -o option. + (main): Add -o option. + +2005-10-19 Tom Zanussi <zanussi@us.ibm.com> + + * librelay.c (merge_output): Switch to binary TIMESTAMP. + * stp_dump.c (main): Switch to binary TIMESTAMP. + * stp_merge.c (main): Switch to binary TIMESTAMP. + +2005-10-14 Tom Zanussi <zanussi@us.ibm.com> + + PR 1476 + * librelay.c: Add flag for buffer processing. + (reader_thread): Disable/enable cancel state around buffer + processing, and update flag to show we're busy processing. + (cleanup_and_exit): Wait for any threads busy processing. + (stp_main_loop): Initialize processing mutex. + +2005-09-06 Martin Hunt <hunt@redhat.com> + + * librelay.c: Remove all USE_PROCFS ifdefs. + (sig_usr): Signal handler for SIGUSR1. + (start_cmd): New function to handle "-c" option, forks() + off a new process then waits for SIGUSR1 to exec it. + (init_stp): Call start_cmd(). + (stp_main_loop): Set a signal handler for SIGCHLD. + + * stpd.c (main): Add "-t" and "-c" options. + (usage): Update with new options. + +2005-08-29 Martin Hunt <hunt@redhat.com> + + * stpd.c main): Add enable_relayfs flag. + Turn it off with "-r". + +2005-08-24 Martin Hunt <hunt@redhat.com> + + * librelay.c (sigproc): Removed the "Exiting..." + message for now. + +2005-08-24 Martin Hunt <hunt@redhat.com> + + * librelay.c (sigproc): Reestablish signal handler so + impatient people don't hit ^C twice and terminate the + program before it saves the data and removes the module. + Also print a message to stderr that it is exiting. + (stp_main_loop): Write OOB data (warnings, errors, etc) + to stderr instead of stdout. + * librelay.h: Write debug info to stderr. + * Makefile: add librelay.h to dependencies. + +2005-08-23 Martin Hunt <hunt@redhat.com> + + * librelay.c (merge_output): Don't add an extra \n. + +2005-08-23 Martin Hunt <hunt@redhat.com> + + * librelay.c (read_last_buffers): New function. Directly grab the + last buffers. + (info_pending): Deleted. + (request_last_buffers): Deleted. + +2005-08-22 Martin Hunt <hunt@redhat.com> + + * Makefile (debug): Add debug target. + * librelay.h (dbug): Define. + * librelay.c: Enable some dbug lines. + +2005-08-19 Martin Hunt <hunt@redhat.com> + + * librelay.c (reader_thread): Check the return value for write(). + +2005-08-19 Frank Ch. Eigler <fche@elastic.org> + + * librelay.c (modpath): New global. Use it for insmod only. + * stpd.c (main): Set both modpath and modname, to support + modules specified by full path name. + +2005-08-19 Martin Hunt <hunt@redhat.com> + + * stpd.c (main): Simplify buffer size code. + * librelay.c: Major changes to support procfs instead of netlink. + +2005-08-03 Tom Zanussi <trz@us.ibm.com> + + * librelay.c: Track subbuf info requests/replies + so we know unequivocally when it's ok to do final + processing. + (reader_thread): Remove buffer-full warning. + +2005-08-03 Martin Hunt <hunt@redhat.com> + * librelay.c (init_stp): Change variable name to eliminate shadow warning. + +2005-08-03 Martin Hunt <hunt@redhat.com> + * librelay.c (open_control_channel): Set the receive buffer + to 512K, or the max allowed. + + * stpd.c: Remove "-n" subbug option and change "-b" option + so you can specify buffering in different ways. Add a verbose option. + Exec the "stp_check" script. + +2005-08-01 Frank Ch. Eigler <fche@redhat.com> + + * librelay.c: Correct fwrite api usage. + * all: Correct copyright holder name. + +2005-08-01 Martin Hunt <hunt@redhat.com> + + * librelay.h: Get structs and enums from + ../transport/transport_msgs.h to eliminate duplication. + + * librelay.c (send_request): Retry if send fails. + (open_relayfs_files): Use fopen() instead of open() for the + percpu tmpfiles. + (request_last_buffers): Just send cpu number for STP_BUF_INFO request. + (reader_thread): Ditto. + (process_subbufs): Use fwrite_unlocked() instead of write(). + (sigchld): Removed. + (init_stp): Go back to using system() instead of fork and exec + to load module. When done, send a TRANSPORT_INFO request. + (cleanup_and_exit): Change parameter to simple flag to + indicate if the module needs removing. + (sigproc): Remove complicated logic and just send STP_EXIT. + (stp_main_loop): When receiving STP_TRANSPORT_INFO, set + the local params and reply with a STP_START. When + receiving STP_START, there was an error, so cleanup and exit. + + * stpd.c (main): Added new options to set number of + buffers and their size. + +2005-07-29 Roland McGrath <roland@redhat.com> + + * librelay.c (process_subbufs): Use unsigned for I. + (sigproc): Add __attribute__((unused)) on parameter. + (sigchld): Likewise. Avoid shadowing global variable name. + (stp_main_loop): Add a cast. + +2005-07-18 Martin Hunt <hunt@redhat.com> + + * stp_merge.c (main): Fix dropped count calculation. + +2005-07-14 Tom Zanussi <zanussi@us.ibm.com> + + * librelay.c (reader_thread): Add missing pthread_mutex_lock + +2005-07-14 Frank Ch. Eigler <fche@redhat.com> + + * stpd.c (main): Pass !quiet mode to init_stp(). + * librelay.c (init_relayfs): Be quiet if !print_totals. + +2005-07-13 Martin Hunt <hunt@redhat.com> + + * stpd.c (usage): Fix usage string. + + * librelay.c (init_stp): Change last arg to NULL, not 0. + +2005-07-08 Martin Hunt <hunt@redhat.com> + + * librelay.c (sigchld): Signal handler to detect + completion of module loading. + (init_stp): Use fork/exec instead of system() so + we can get async signal of module load success/failure. + (cleanup_and_exit): New function. + (sigproc): If module is not loaded, don't send message to it. + (stp_main_loop): Call cleanup_and_exit() when STP_EXIT + is received. Don't send a request for the transport + mode. The module will send notification to the daemon + when it is ready. + + * stpd.c (main): Don't print message until module + is loaded. + +2005-07-01 Martin Hunt <hunt@redhat.com> + + * librelay.c: Removed the color coding of cpu output. + +2005-06-28 Martin Hunt <hunt@redhat.com> + + * librelay.c (merge_output): Use unlocked stdio + to improve speed. + + * stp_merge.c: New file. + + * Makefile: Add stp_merge. + +2005-06-27 Martin Hunt <hunt@redhat.com> + + * stpd.c (main): Add new command line arg, "-m" + to disable the per-cpu merging. + + * librelay.c (merge_output): Replacement for sort_output(). + Efficiently merges per-cpu streams. + + +2005-06-20 Tom Zanussi <zanussi@us.ibm.com> + + * librelay.c: Large refactoring, important changes are + added transport_mode command, for relayfs transport + display results only when probe completes and/or write + output file, merge, sort and delete the per-cpu files + in postprocessing, refactor so that relayfs files aren't + created until transport command received, removed sigalrm, + read the final subbuffers on exit + + * stpd.c: Remove all command-line args except for -p + and -q as well as all code related to buffer sizes. + + * librelay.h: Add transport mode command and struct. + +2005-05-16 Martin Hunt <hunt@redhat.com> + + * librelay.c (sigproc): If STP_EXIT send fails, keep retrying + every 10ms. + (init_stp): Don't set n_subbufs and subbuf_size params. |