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2008-09-14Update to work with new vm_operations interface from 2.6.23. Patch fromSøren Sandmann1-0/+28
Sun Sep 14 16:04:17 2008 Søren Sandmann <sandmann@redhat.com> * sysprof/module/sysprof-module.c: Update to work with new vm_operations interface from 2.6.23. Patch from Chris Wilson. svn path=/trunk/; revision=435
2008-05-08Reorder the tests for CONFIG_X86 and CONFIG_X86_64 since post 2.6.26, theyOwen Taylor1-6/+6
2008-04-30 Owen Taylor <otaylor@redhat.com> * module/sysprof-module.c: Reorder the tests for CONFIG_X86 and CONFIG_X86_64 since post 2.6.26, they are both defined on x86-64 machines. svn path=/trunk/; revision=419
2008-03-29Beginning of a dwarf unwinder.Søren Sandmann1-1/+5
Sat Mar 29 11:14:38 2008 Søren Sandmann <sandmann@redhat.com> * unwind.[ch], testunwind.c: Beginning of a dwarf unwinder. svn path=/trunk/; revision=405
2008-03-29x86 merge happened in 2.6.25Søren Sandmann1-1/+1
Sat Mar 29 08:05:46 2008 Søren Sandmann <sandmann@redhat.com> * module/sysprof-module.c: x86 merge happened in 2.6.25 svn path=/trunk/; revision=404
2008-03-20Use kernel builtin tracer instead of copying everything ourselves.Soren Sandmann2-28/+73
2008-03-20 Soren Sandmann <sandmann@redhat.com> * module/sysprof-module.c (trace_kernel): Use kernel builtin tracer instead of copying everything ourselves. svn path=/trunk/; revision=401
2008-03-20Support for 2.6.24 and newerSoren Sandmann1-9/+16
2008-03-20 Soren Sandmann <sandmann@redhat.com> * module/sysprof-module.c: Support for 2.6.24 and newer svn path=/trunk/; revision=400
2008-02-16Add a memcpy() that uses nontemporal writes. (copy_kernel_stack): AddSoren Sandmann1-1/+36
2008-02-16 Soren Sandmann <sandmann@redhat.com> * module/sysprof-module.c (nt_memcpy): Add a memcpy() that uses nontemporal writes. (copy_kernel_stack): Add commented-out use of it here. svn path=/trunk/; revision=396
2007-11-19Update TODOSøren Sandmann Pedersen1-4/+8
svn path=/trunk/; revision=394
2007-11-19Make heuristic stack scanning more accurateSoren Sandmann1-5/+41
2007-11-18 Soren Sandmann <sandmann@daimi.au.dk> * module/sysprof-module.c (heuristic_trace): Make heuristic stack scanning more accurate svn path=/trunk/; revision=393
2007-11-18Crude heuristic stack scanning on x86-64.Søren Sandmann1-39/+67
Sun Nov 18 18:12:09 2007 Søren Sandmann <sandmann@redhat.com> * module/sysprof-module.c (heuristic_trace): Crude heuristic stack scanning on x86-64. * module/sysprof-module.c (copy_kernel_stack): New function svn path=/trunk/; revision=392
2007-11-18Return ssize_t instead of int.Søren Sandmann1-20/+40
Sun Nov 18 13:23:39 2007 Søren Sandmann <sandmann@redhat.com> * module/sysprof-module.c (sysprof_read): Return ssize_t instead of int. * module/sysprof-module.c (heuristic_trace): Beginning of heuristic user stack scanning. svn path=/trunk/; revision=391
2007-11-17FormattingSoren Sandmann1-3/+3
2007-11-16 Soren Sandmann <sandmann@daimi.au.dk> * module/sysprof-module.c (n_traces_available): Formatting * module/sysprof-module.c (sysprof_poll): Require 16 traces rather than 8. svn path=/trunk/; revision=389
2007-11-17updatesSoren Sandmann1-2/+13
2007-11-16 Soren Sandmann <sandmann@daimi.au.dk> * TODO: updates * module/sysprof-module.c (sysprof_poll): Only select readable when there is at least eight traces available * collector.c (collect_traces): New function, old on_read() * collector.c (collector_create_profile): Collect traces here as well. svn path=/trunk/; revision=388
2007-10-21Remove CFLAGS reminiscence of 2.4 support.Soren Sandmann1-1/+0
2007-10-21 Soren Sandmann <sandmann@daimi.au.dk> * module/Makefile: Remove CFLAGS reminiscence of 2.4 support. svn path=/trunk/; revision=375
2007-09-17Add support for looking up kernel symbols from /proc/kallsymsSoren Sandmann2-48/+45
2007-09-16 Soren Sandmann <sandmann@daimi.au.dk> * process.c (process_lookup_kernel_symbol): Add support for looking up kernel symbols from /proc/kallsyms * sysprof-text.c (dump_data): Print note that the file is being saved. * module/sysprof-module.[ch] (timer_notify): Send a copy of the kernel stack to userspace. * collector.c: Do kernel symbol lookups. svn path=/trunk/; revision=372
2007-01-05Correct $PWD usage, so make install works from inside module/.Behdad Esfahbod1-2/+2
2007-01-05 Behdad Esfahbod <behdad@gnome.org> * module/Makefile: Correct $PWD usage, so make install works from inside module/. svn path=/trunk/; revision=346
2006-12-09Add forgotten put_cpu_var(). Parse in chunks of 65536 to improve locality.Soren Sandmann2-2/+7
2006-12-09 Soren Sandmann <sandmann@daimi.au.dk> * module/sysprof-module.c: Add forgotten put_cpu_var(). * sfile.c (build_instructions): Parse in chunks of 65536 to improve locality.
2006-11-02Increase the max number of addresses to 1021, reorganise SysprofMmapAreaSoren Sandmann1-4/+4
2006-10-26 Soren Sandmann <sandmann@daimi.au.dk> * module/sysprof-module.h (struct SysprofStackTrace): Increase the max number of addresses to 1021, reorganise SysprofMmapArea to make the traces naturally page aligned. * TODO: Update
2006-10-23Use PAGE_SIZE - 1 instead of 4096.Soren Sandmann1-1/+1
2006-10-23 Soren Sandmann <sandmann@daimi.au.dk> * module/sysprof-module.c (init_module): Use PAGE_SIZE - 1 instead of 4096.
2006-10-23Communicate traces to userspace through shared memory instead of copying.Soren Sandmann2-37/+73
2006-10-22 Soren Sandmann <sandmann@daimi.au.dk> Communicate traces to userspace through shared memory instead of copying. * module/sysprof-module.c: Store the traces in a SysprofMmapArea. (sysprof_mmap): Implement this method. (sysprof_nopage): Implement this. (sysprof_read): Just reset the tail pointer and return zero. * module/sysprof-module.h (struct SysprofMmapArea): New structure. * collector.c (collector_stop): Unmap the device (in_dead_period): New function (on_read): Read the traces out of mmap()ed area instead of reading them. Call read() to prevent poll() from firing. (struct Collector): New members map_area and current. * Makefile.am (insert-module): Prefix modprobe with /sbin * collector.c (open_fd): mmap() the sysprof device.
2006-10-08Deal with address offsets. Address lookup is now:Soren Sandmann1-1/+0
2006-10-07 Soren Sandmann <sandmann@daimi.au.dk> Deal with address offsets. Address lookup is now: - First convert the address to an offset into the file - Then convert to an offset into the text segment - Then add the load address of the text segment (found in the debug binary) - Then finally lookup the result in the symbol table. * elfparser.c (elf_parser_get_text_offset): New function * elfparser.c (elf_parser_lookup_symbol): Treat addresses as offsets into the text segment. * binfile.c (bin_file_new): Store the offset of the text section of the actual binary (not the debug one) (bin_file_lookup_symbol): Subtract text_offset before passing address to elf parser. * module/sysprof-module.c: Remove include of linux/config.h
2006-09-23Remove old commented out code Add commented out code accessing entireSoren Sandmann2-1/+40
2006-08-27 Soren Sandmann <sandmann@redhat.com> * binparser.c: Remove old commented out code * module/sysprof-module.c: Add commented out code accessing entire stack. 2006-08-27 Soren Sandmann <sandmann@redhat.com> * module/Makefile ($(MODULE).o): Add dependency on sysprof-module.h * elfparser.c (elf_parser_get_eh_frame): Add this function. Remove some commented out code.
2006-09-23Revert accidental commitSøren Sandmann Pedersen2-32/+1
2006-09-23Remove old commented out codeSoren Sandmann2-1/+32
2006-08-27 Soren Sandmann <sandmann@redhat.com> * binparser.c: Remove old commented out code 2006-08-27 Soren Sandmann <sandmann@redhat.com> * module/Makefile ($(MODULE).o): Add dependency on sysprof-module.h * elfparser.c (elf_parser_get_eh_frame): Add this function. Remove some commented out code.
2006-08-12Some formatting fixes.Søren Sandmann1-5/+5
Sat Aug 12 16:40:38 2006 Søren Sandmann <sandmann@redhat.com> * module/sysprof-module.c: Some formatting fixes.
2006-08-12Make n_samples per-cpu. Add an atomic variable in_timer_notify and use itSøren Sandmann1-5/+14
Sat Aug 12 16:13:05 2006 Søren Sandmann <sandmann@redhat.com> * module/sysprof-module.c: Make n_samples per-cpu. Add an atomic variable in_timer_notify and use it to lock out simultaneous timer interrupts. * stackstash.c (decorate_node): Make decorate_node() static * TODO
2006-02-17more ifdef's to make it work with Red Hat Enterprise Linux 4's 2.6.9-basedBastien Nocera1-4/+35
2006-02-17 Bastien Nocera <hadess@hadess.net> * configure.ac: * module/sysprof-module.c: (timer_notify), (sysprof_open), (sysprof_release): more ifdef's to make it work with Red Hat Enterprise Linux 4's 2.6.9-based kernel
2006-01-16Print out sysprof version at module load time.Soeren Sandmann1-1/+2
Sun Jan 15 20:22:20 2006 Soeren Sandmann <sandmann@redhat.com> * module/sysprof-module.c (init_module): Print out sysprof version at module load time.
2006-01-14Initialize retval.Soeren Sandmann1-2/+4
Fri Jan 13 22:59:48 2006 Soeren Sandmann <sandmann@redhat.com> * module/sysprof-module.c (sysprof_open): Initialize retval. * module/sysprof-module.c (sysprof_read): Copy contents of trace, not tail to the buffer.
2006-01-09Remove START_OF_STACK check.Soeren Sandmann1-6/+0
Mon Jan 9 09:58:25 2006 Soeren Sandmann <sandmann@redhat.com> * module/sysprof-module.c (timer_notify): Remove START_OF_STACK check.
2006-01-05small updates cosmetic updates cosmetic updatesSøren Sandmann1-1/+1
Thu Jan 5 17:52:10 2006 Søren Sandmann <sandmann@redhat.com> * TODO: small updates * sysprof.c: cosmetic updates * module/sysprof-module.c: cosmetic updates
2005-12-20Remove left over debug print out and add support for multiple clientsKristian Høgsberg1-7/+18
2005-12-20 Kristian Høgsberg <krh@redhat.com> * module/sysprof-module.c: Remove left over debug print out and add support for multiple clients (readers).
2005-12-20Remove left over debug print out.Kristian Høgsberg1-2/+0
2005-12-20 Kristian Høgsberg <krh@redhat.com> * module/sysprof-module.c (sysprof_read): Remove left over debug print out.
2005-12-20Dist and install udev rule.Kristian Høgsberg2-25/+54
2005-12-20 Kristian Høgsberg <krh@redhat.com> * Makefile.am: Dist and install udev rule. * collector.c: (open_fd): * sysprof-text.c: (no_module): * sysprof.c: (on_start_toggled): Update device filename. * 60-sysprof.rules: New udev rule file to set permissions for sysprof char device. * module/sysprof-module.c: Switch kernel module to use a misc char device instead. Start and stop the timer on device open and close instead of module load and unload.
2005-12-19*** empty log message ***Søren Sandmann Pedersen1-6/+2
2005-12-19A few formatting fixes. Hopefully make it work with x86-64.Søren Sandmann1-4/+7
Mon Dec 19 15:15:48 2005 Søren Sandmann <sandmann@redhat.com> * module/sysprof-module.c (timer_notify): A few formatting fixes. Hopefully make it work with x86-64.
2005-11-23Various cleanupsSoeren Sandmann1-143/+99
Wed Nov 23 00:44:34 2005 Soeren Sandmann <sandmann@redhat.com> * module/sysprof-module.c: Various cleanups * TODO: updates
2005-11-23Remove unused pages_present() functionSoeren Sandmann1-31/+0
Tue Nov 22 23:38:09 2005 Soeren Sandmann <sandmann@redhat.com> * module/sysprof-module.c: Remove unused pages_present() function
2005-11-13great-sage-equal-to-heaven:~/vertigo/sysprof% head -13 ChangeLogSøren Sandmann1-10/+53
Sat Nov 12 19:44:43 2005 Søren Sandmann <sandmann@redhat.com> * module/sysprof-module.c (read_frame): New function that uses copy_from_user_inatomic() as check_user_pages_readable() has disappeared in recent kernels. * module/sysprof-module.c (timer_notify): Use it here. * TODO: Updates * configure.ac: Change the wording of the CVS HEAD warning as this change seems to also have fixed the lockup with rawhide kernels.
2005-11-05Add copyright statement.Soren Sandmann1-1/+1
2005-11-04 Soren Sandmann <sandmann@redhat.com> * collector.[ch]: Add copyright statement. * collector.c (on_read): Handle time getting set backwards. * collector.c: Remove unused empty_filedescriptor() function.
2005-10-12Add back these constants, but this time make sure we won't divide by 0 orSoeren Sandmann1-2/+7
Tue Oct 11 22:40:24 2005 Soeren Sandmann <sandmann@redhat.com> * module/sysprof-module.c (SAMPLES_PER_SECOND): Add back these constants, but this time make sure we won't divide by 0 or anything like that.
2005-10-11Delete lots of commented-out code.Soeren Sandmann1-224/+0
Mon Oct 10 22:49:03 2005 Soeren Sandmann <sandmann@redhat.com> * module/sysprof-module.c: Delete lots of commented-out code.
2005-10-10Don't use INTERVAL or SAMPLES_PER_SECOND now that we useRobert Love1-5/+0
Mon Oct 10 13:00:20 2005 Robert Love <rml@novell.com> * module/sysprof-module.c: Don't use INTERVAL or SAMPLES_PER_SECOND now that we use register_timer_hook(), which hits off the timer interrupt at HZ freqency (1/250 second on x86).
2005-09-27If the address is 0x01, treat as kernel, regardless of whether we have aSoeren Sandmann1-35/+25
Tue Sep 27 01:33:33 2005 Soeren Sandmann <sandmann@redhat.com> * process.c (process_lookup_symbol): If the address is 0x01, treat as kernel, regardless of whether we have a map for that address or not. * module/sysprof-module.c (timer_notify): Take a stack trace of the current process, even when we are in kernel mode. This way we can assign kernel activity to individual user space stacktraces. * TODO: updates.
2005-09-04UpdatesSoeren Sandmann1-3/+3
Sun Sep 4 19:38:51 2005 Soeren Sandmann <sandmann@redhat.com> * TODO: Updates
2005-08-30Complain if we can't find /lib/modules/`uname -r`/build/Makefile.Søren Sandmann1-2/+4
Tue Aug 30 16:57:33 2005 Søren Sandmann <sandmann@redhat.com> * configure.ac: Complain if we can't find /lib/modules/`uname -r`/build/Makefile. * process.c (process_lookup_symbol): Take an address of 0x1 to mean "in kernel". * module/sysprof-module.c (timer_notify): When reporting in-kernel time, give the current pid instead of -1. * TODO: updates
2005-08-02Add support for amd64/x86-64. Patch from Mike Frysinger.Soeren Sandmann1-8/+30
Mon Aug 1 23:49:51 2005 Soeren Sandmann <sandmann@redhat.com> * module/sysprof-module.c (REG_INS_PTR): Add support for amd64/x86-64. Patch from Mike Frysinger.
2005-07-10Cache BinFiles by filename.Soeren Sandmann1-1/+1
Sat Jul 9 23:20:39 2005 Soeren Sandmann <sandmann@redhat.com> * binfile.c (bin_file_new): Cache BinFiles by filename. * stackstash.c (stack_stash_free): Plug leak * process.c (process_free_maps): Plug leak * module/Makefile (install): Check that depmod exists before running it.
2005-06-19Add version informationSøren Sandmann1-1/+1
Sun Jun 19 15:39:50 2005 Søren Sandmann <sandmann@redhat.com> * sysprof.c (on_about_activated): Add version information * configure.ac: Bump version to 0.91 * README: Updates
2005-06-19UpdatesSøren Sandmann2-8/+140
Sat Jun 18 22:45:04 2005 Søren Sandmann <sandmann@redhat.com> * TODO: Updates * configure.ac: Check for Linux 2.6.11 * process.c (get_pidname): Present pid=-1 as [kernel]. * module/sysprof-module.c: Use register_timer_hook() instead of a kernel timer. Set trace.pid to -1 if interrupt happens in kernel.
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