/* FS-Cache statistics viewing interface * * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * 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. */ #define FSCACHE_DEBUG_LEVEL OPERATION #include #include #include #include "internal.h" /* * initialise the /proc/fs/fscache/ directory */ int __init fscache_proc_init(void) { _enter(""); if (!proc_mkdir("fs/fscache", NULL)) goto error_dir; #ifdef CONFIG_FSCACHE_STATS if (!proc_create("fs/fscache/stats", S_IFREG | 0444, NULL, &fscache_stats_fops)) goto error_stats; #endif #ifdef CONFIG_FSCACHE_HISTOGRAM if (!proc_create("fs/fscache/histogram", S_IFREG | 0444, NULL, &fscache_histogram_fops)) goto error_histogram; #endif #ifdef CONFIG_FSCACHE_OBJECT_LIST if (!proc_create("fs/fscache/objects", S_IFREG | 0444, NULL, &fscache_objlist_fops)) goto error_objects; #endif _leave(" = 0"); return 0; #ifdef CONFIG_FSCACHE_OBJECT_LIST error_objects: #endif #ifdef CONFIG_FSCACHE_HISTOGRAM remove_proc_entry("fs/fscache/histogram", NULL); error_histogram: #endif #ifdef CONFIG_FSCACHE_STATS remove_proc_entry("fs/fscache/stats", NULL); error_stats: #endif remove_proc_entry("fs/fscache", NULL); error_dir: _leave(" = -ENOMEM"); return -ENOMEM; } /* * clean up the /proc/fs/fscache/ directory */ void fscache_proc_cleanup(void) { #ifdef CONFIG_FSCACHE_OBJECT_LIST remove_proc_entry("fs/fscache/objects", NULL); #endif #ifdef CONFIG_FSCACHE_HISTOGRAM remove_proc_entry("fs/fscache/histogram", NULL); #endif #ifdef CONFIG_FSCACHE_STATS remove_proc_entry("fs/fscache/stats", NULL); #endif remove_proc_entry("fs/fscache", NULL); } ools/power/cpupower/bench?id=5f30fe4d460c975ca3debe90ec71cbd0a46e35e2'>commitdiff
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id=a76a82a3e38c8d3fb6499e3dfaeb0949241ab588'>a76a82a3e38c8d3fb6499e3dfaeb0949241ab588 (diff)
perf/core: Fix PERF_RECORD_MMAP2 prot/flags for anonymous memory
Andres reported that MMAP2 records for anonymous memory always have their protection field 0. Turns out, someone daft put the prot/flags generation code in the file branch, leaving them unset for anonymous memory. Reported-by: Andres Freund <andres@anarazel.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Don Zickus <dzickus@redhat.com Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@gmail.com> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: acme@kernel.org Cc: anton@ozlabs.org Cc: namhyung@kernel.org Cc: stable@vger.kernel.org # v3.16+ Fixes: f972eb63b100 ("perf: Pass protection and flags bits through mmap2 interface") Link: http://lkml.kernel.org/r/20170126221508.GF6536@twins.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/util/counts.h')