# stackcollapse.py - format perf samples with one line per distinct call stack # SPDX-License-Identifier: GPL-2.0 # # This script's output has two space-separated fields. The first is a semicolon # separated stack including the program name (from the "comm" field) and the # function names from the call stack. The second is a count: # # swapper;start_kernel;rest_init;cpu_idle;default_idle;native_safe_halt 2 # # The file is sorted according to the first field. # # Input may be created and processed using: # # perf record -a -g -F 99 sleep 60 # perf script report stackcollapse > out.stacks-folded # # (perf script record stackcollapse works too). # # Written by Paolo Bonzini # Based on Brendan Gregg's stackcollapse-perf.pl script. from __future__ import print_function import os import sys from collections import defaultdict from optparse import OptionParser, make_option sys.path.append(os.environ['PERF_EXEC_PATH'] + \ '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') from perf_trace_context import * from Core import * from EventClass import * # command line parsing option_list = [ # formatting options for the bottom entry of the stack make_option("--include-tid", dest="include_tid", action="store_true", default=False, help="include thread id in stack"), make_option("--include-pid", dest="include_pid", action="store_true", default=False, help="include process id in stack"), make_option("--no-comm", dest="include_comm", action="store_false", default=True, help="do not separate stacks according to comm"), make_option("--tidy-java", dest="tidy_java", action="store_true", default=False, help="beautify Java signatures"), make_option("--kernel", dest="annotate_kernel", action="store_true", default=False, help="annotate kernel functions with _[k]") ] parser = OptionParser(option_list=option_list) (opts, args) = parser.parse_args() if len(args) != 0: parser.error("unexpected command line argument") if opts.include_tid and not opts.include_comm: parser.error("requesting tid but not comm is invalid") if opts.include_pid and not opts.include_comm: parser.error("requesting pid but not comm is invalid") # event handlers lines = defaultdict(lambda: 0) def process_event(param_dict): def tidy_function_name(sym, dso): if sym is None: sym = '[unknown]' sym = sym.replace(';', ':') if opts.tidy_java: # the original stackcollapse-perf.pl script gives the # example of converting this: # Lorg/mozilla/javascript/MemberBox;.(Ljava/lang/reflect/Method;)V # to this: # org/mozilla/javascript/MemberBox:.init sym = sym.replace('<', '') sym = sym.replace('>', '') if sym[0] == 'L' and sym.find('/'): sym = sym[1:] try: sym = sym[:sym.index('(')] except ValueError: pass if opts.annotate_kernel and dso == '[kernel.kallsyms]': return sym + '_[k]' else: return sym stack = list() if 'callchain' in param_dict: for entry in param_dict['callchain']: entry.setdefault('sym', dict()) entry['sym'].setdefault('name', None) entry.setdefault('dso', None) stack.append(tidy_function_name(entry['sym']['name'], entry['dso'])) else: param_dict.setdefault('symbol', None) param_dict.setdefault('dso', None) stack.append(tidy_function_name(param_dict['symbol'], param_dict['dso'])) if opts.include_comm: comm = param_dict["comm"].replace(' ', '_') sep = "-" if opts.include_pid: comm = comm + sep + str(param_dict['sample']['pid']) sep = "/" if opts.include_tid: comm = comm + sep + str(param_dict['sample']['tid']) stack.append(comm) stack_string = ';'.join(reversed(stack)) lines[stack_string] = lines[stack_string] + 1 def trace_end(): list = sorted(lines) for stack in list: print("%s %d" % (stack, lines[stack])) .6.y'>linux-4.6.y Hosts the 0x221E linux distro kernel.Ubuntu
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path: root/fs/btrfs/ordered-data.c
AgeCommit message (Expand)Author
2020-10-07btrfs: remove inode argument from btrfs_start_ordered_extentNikolay Borisov
2020-10-07btrfs: switch btrfs_remove_ordered_extent to btrfs_inodeNikolay Borisov
2020-10-07btrfs: make btrfs_find_ordered_sum take btrfs_inodeNikolay Borisov
2020-10-07btrfs: convert btrfs_inode_sectorsize to take btrfs_inodeNikolay Borisov
2020-10-07btrfs: make btrfs_dec_test_ordered_pending take btrfs_inodeNikolay Borisov
2020-10-07btrfs: make ordered extent tracepoint take btrfs_inodeNikolay Borisov
2020-10-07btrfs: make btrfs_lookup_first_ordered_extent take btrfs_inodeNikolay Borisov
2020-10-07btrfs: make fast fsyncs wait only for writebackFilipe Manana
2020-07-27btrfs: make btrfs_add_ordered_extent_dio take btrfs_inodeNikolay Borisov
2020-07-27btrfs: make btrfs_dec_test_first_ordered_pending take btrfs_inodeNikolay Borisov
2020-07-27btrfs: make btrfs_qgroup_release_data take btrfs_inodeNikolay Borisov
2020-07-27btrfs: make btrfs_add_ordered_extent_compress take btrfs_inodeNikolay Borisov
2020-07-27btrfs: make btrfs_add_ordered_extent take btrfs_inodeNikolay Borisov
2020-07-27btrfs: make btrfs_qgroup_free_data take btrfs_inodeNikolay Borisov
2020-07-27btrfs: make btrfs_lookup_ordered_extent take btrfs_inodeNikolay Borisov
2020-07-27btrfs: make __btrfs_add_ordered_extent take struct btrfs_inodeNikolay Borisov
2020-07-27btrfs: remove no longer used trans_list member of struct btrfs_ordered_extentFilipe Manana
2020-07-27btrfs: remove no longer used log_list member of struct btrfs_ordered_extentFilipe Manana
2020-07-27btrfs: change timing for qgroup reserved space for ordered extents to fix res...Qu Wenruo
2020-03-23btrfs: drop argument tree from btrfs_lock_and_flush_ordered_rangeDavid Sterba
2020-03-23btrfs: add assertions for tree == inode->io_tree to extent IO helpersDavid Sterba
2020-03-23btrfs: rename btrfs_put_fs_root and btrfs_grab_fs_rootJosef Bacik
2020-03-23btrfs: delete the ordered isize update codeJosef Bacik
2020-02-19Btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extentsFilipe Manana
2020-01-20btrfs: make btrfs_ordered_extent naming consistent with btrfs_file_extent_itemOmar Sandoval
2020-01-20btrfs: Opencode ordered_data_tree_panicNikolay Borisov
2019-11-18Btrfs: fix block group remaining RO forever after error during device replaceFilipe Manana
2019-11-18btrfs: get rid of unique workqueue helper functionsOmar Sandoval
2019-09-09btrfs: move cond_wake_up functions out of ctreeDavid Sterba
2019-07-26btrfs: fix extent_state leak in btrfs_lock_and_flush_ordered_rangeNaohiro Aota
2019-07-04btrfs: migrate the delalloc space stuff to it's own homeJosef Bacik
2019-07-01btrfs: don't assume ordered sums to be 4 bytesJohannes Thumshirn
2019-07-01btrfs: Always use a cached extent_state in btrfs_lock_and_flush_ordered_rangeNikolay Borisov
2019-07-01btrfs: add new helper btrfs_lock_and_flush_ordered_rangeNikolay Borisov
2019-04-29btrfs: track DIO bytes in flightJosef Bacik
2019-04-29btrfs: Remove redundant inode argument from btrfs_add_ordered_sumNikolay Borisov
2019-04-25btrfs: Switch memory allocations in async csum calculation path to kvmallocNikolay Borisov
2018-12-17Btrfs: remove no longer used stuff for tracking pending ordered extentsFilipe Manana
2018-08-06btrfs: prune unused includesDavid Sterba
2018-08-06btrfs: remove remaing full_sync logic from btrfs_sync_fileDavid Sterba
2018-08-06btrfs: remove the logged extents infrastructureJosef Bacik