+++ /dev/null
-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.
+++ /dev/null
-/*
- * stp_merge.c - stp merge program
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (C) Red Hat Inc, 2005
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-
-static void usage (char *prog)
-{
- fprintf(stderr, "%s [-o output_filename] input_files ...\n", prog);
- exit(1);
-}
-
-#define TIMESTAMP_SIZE (sizeof(int))
-#define NR_CPUS 256
-
-int main (int argc, char *argv[])
-{
- char *outfile_name = NULL;
- char buf[8192];
- int c, i, j, dropped=0;
- long count=0, min, num[NR_CPUS];
- FILE *ofp, *fp[NR_CPUS];
- int ncpus, len;
-
- while ((c = getopt (argc, argv, "o:")) != EOF) {
- switch (c) {
- case 'o':
- outfile_name = optarg;
- break;
- default:
- usage(argv[0]);
- }
- }
-
- if (optind == argc)
- usage (argv[0]);
-
- i = 0;
- while (optind < argc) {
- fp[i] = fopen(argv[optind++], "r");
- if (!fp[i]) {
- fprintf(stderr, "error opening file %s.\n", argv[optind - 1]);
- return -1;
- }
- if (fread (buf, TIMESTAMP_SIZE, 1, fp[i]))
- num[i] = *((int *)buf);
- else
- num[i] = 0;
- i++;
- }
- ncpus = i;
-
- if (!outfile_name)
- ofp = stdout;
- else {
- ofp = fopen(outfile_name, "w");
- if (!ofp) {
- fprintf(stderr, "ERROR: couldn't open output file %s: errcode = %s\n",
- outfile_name, strerror(errno));
- return -1;
- }
- }
-
- do {
- min = num[0];
- j = 0;
- for (i = 1; i < ncpus; i++) {
- if (min == 0 || (num[i] && num[i] < min)) {
- min = num[i];
- j = i;
- }
- }
-
- if (fread(&len, sizeof(int), 1, fp[j])) {
- fread(buf, len, 1, fp[j]);
- fwrite(buf, len, 1, ofp);
- }
-
- if (min && ++count != min) {
- fprintf(stderr, "got %ld. expected %ld\n", min, count);
- dropped += min - count ;
- count = min;
- }
-
- if (fread (buf, TIMESTAMP_SIZE, 1, fp[j]))
- num[j] = *((int *)buf);
- else
- num[j] = 0;
- } while (min);
-
- fputs ("\n", ofp);
-
- for (i = 0; i < ncpus; i++)
- fclose (fp[i]);
- fclose (ofp);
- printf ("sequence had %d drops\n", dropped);
- return 0;
-}
git://sourceware.org / systemtap.git / commitdiff