perf tools: Include errno.h where needed

Removing it from util.h, part of an effort to disentangle the includes
hell, that makes changes to util.h or something included by it to cause
a complete rebuild of the tools.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-ztrjy52q1rqcchuy3rubfgt2@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

45 files changed, 46 insertions, 2 deletions

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 297bf5c66609..683f8340460c 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -7,6 +7,7 @@
  * Released under the GPL v2. (and only v2, not any later version)
  */
 
+#include <errno.h>
 #include <inttypes.h>
 #include "util.h"
 #include "ui/ui.h"
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index 26fb1ee5746a..9f0de72d58e2 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -17,6 +17,7 @@
 #define __PERF_AUXTRACE_H
 
 #include <sys/types.h>
+#include <errno.h>
 #include <stdbool.h>
 #include <stddef.h>
 #include <linux/list.h>
diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c
index 27af9d62d899..bf21c1ca9771 100644
--- a/tools/perf/util/bpf-loader.c
+++ b/tools/perf/util/bpf-loader.c
@@ -11,6 +11,7 @@
 #include <linux/err.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
+#include <errno.h>
 #include "perf.h"
 #include "debug.h"
 #include "bpf-loader.h"
diff --git a/tools/perf/util/bpf-loader.h b/tools/perf/util/bpf-loader.h
index f2b737b225f2..48863867878b 100644
--- a/tools/perf/util/bpf-loader.h
+++ b/tools/perf/util/bpf-loader.h
@@ -85,6 +85,8 @@ int bpf__strerror_setup_stdout(struct perf_evlist *evlist, int err,
 			       char *buf, size_t size);
 
 #else
+#include <errno.h>
+
 static inline struct bpf_object *
 bpf__prepare_load(const char *filename __maybe_unused,
 		  bool source __maybe_unused)
diff --git a/tools/perf/util/bpf-prologue.c b/tools/perf/util/bpf-prologue.c
index 6cdbee119ceb..1356220a9f1b 100644
--- a/tools/perf/util/bpf-prologue.c
+++ b/tools/perf/util/bpf-prologue.c
@@ -12,6 +12,7 @@
 #include "bpf-loader.h"
 #include "bpf-prologue.h"
 #include "probe-finder.h"
+#include <errno.h>
 #include <dwarf-regs.h>
 #include <linux/filter.h>
 
diff --git a/tools/perf/util/bpf-prologue.h b/tools/perf/util/bpf-prologue.h
index d94cbea12899..ba564838375f 100644
--- a/tools/perf/util/bpf-prologue.h
+++ b/tools/perf/util/bpf-prologue.h
@@ -18,6 +18,8 @@ int bpf__gen_prologue(struct probe_trace_arg *args, int nargs,
 		      struct bpf_insn *new_prog, size_t *new_cnt,
 		      size_t cnt_space);
 #else
+#include <errno.h>
+
 static inline int
 bpf__gen_prologue(struct probe_trace_arg *args __maybe_unused,
 		  int nargs __maybe_unused,
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 3c0755563969..8d8ef1d31b1e 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -7,6 +7,7 @@
  * Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com>
  */
 #include "util.h"
+#include <errno.h>
 #include <stdio.h>
 #include "build-id.h"
 #include "event.h"
diff --git a/tools/perf/util/c++/clang-c.h b/tools/perf/util/c++/clang-c.h
index 0eadd792ab1f..ccafcf72b37a 100644
--- a/tools/perf/util/c++/clang-c.h
+++ b/tools/perf/util/c++/clang-c.h
@@ -20,6 +20,7 @@ extern int perf_clang__compile_bpf(const char *filename,
 				   size_t *p_obj_buf_sz);
 #else
 
+#include <errno.h>
 
 static inline void perf_clang__init(void) { }
 static inline void perf_clang__cleanup(void) { }
diff --git a/tools/perf/util/cloexec.c b/tools/perf/util/cloexec.c
index f0dcd0ee0afa..4b4f00df58a8 100644
--- a/tools/perf/util/cloexec.c
+++ b/tools/perf/util/cloexec.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <sched.h>
 #include "util.h"
 #include "../perf.h"
diff --git a/tools/perf/util/comm.c b/tools/perf/util/comm.c
index 32837b6f7879..530a62a7b51e 100644
--- a/tools/perf/util/comm.c
+++ b/tools/perf/util/comm.c
@@ -1,5 +1,6 @@
 #include "comm.h"
 #include "util.h"
+#include <errno.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <linux/refcount.h>
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 88783aa3dfc9..f5604039cbe4 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -8,6 +8,7 @@
  * Copyright (C) Johannes Schindelin, 2005
  *
  */
+#include <errno.h>
 #include "util.h"
 #include "cache.h"
 #include <subcmd/exec-cmd.h>
diff --git a/tools/perf/util/counts.c b/tools/perf/util/counts.c
index e3fde313deb2..83fedd0d22a1 100644
--- a/tools/perf/util/counts.c
+++ b/tools/perf/util/counts.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <stdlib.h>
 #include "evsel.h"
 #include "counts.h"
diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index c3277b32e917..89d50318833d 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -7,6 +7,7 @@
  * Released under the GPL v2. (and only v2, not any later version)
  */
 
+#include <errno.h>
 #include <inttypes.h>
 #include <linux/compiler.h>
 #include <linux/kernel.h>
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index 60bfc9ca1e22..e84bbc8ec058 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -2,6 +2,7 @@
 #include <linux/kernel.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <errno.h>
 #include <unistd.h>
 #include <string.h>
 
diff --git a/tools/perf/util/drv_configs.c b/tools/perf/util/drv_configs.c
index 1647f285c629..eec754243f4d 100644
--- a/tools/perf/util/drv_configs.c
+++ b/tools/perf/util/drv_configs.c
@@ -17,6 +17,7 @@
 #include "evlist.h"
 #include "evsel.h"
 #include "pmu.h"
+#include <errno.h>
 
 static int
 perf_evsel__apply_drv_configs(struct perf_evsel *evsel,
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 6ad57730a0ed..cd061dc1de70 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -2,6 +2,7 @@
 #include <linux/kernel.h>
 #include <sys/time.h>
 #include <sys/resource.h>
+#include <errno.h>
 #include "symbol.h"
 #include "dso.h"
 #include "machine.h"
diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c
index 780ee4629bd0..f5acda13dcfa 100644
--- a/tools/perf/util/dwarf-aux.c
+++ b/tools/perf/util/dwarf-aux.c
@@ -17,6 +17,7 @@
  *
  */
 
+#include <errno.h>
 #include <inttypes.h>
 #include <stdbool.h>
 #include "util.h"
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index 075fc77286bf..9e21538c42ae 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -1,6 +1,7 @@
 #include "cpumap.h"
 #include "env.h"
 #include "util.h"
+#include <errno.h>
 
 struct perf_env perf_env;
 
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 53b81b2283c1..1fc1217a0c2c 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <inttypes.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index cf27039df100..f74ea2e55fde 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -8,6 +8,7 @@
  */
 #include "util.h"
 #include <api/fs/fs.h>
+#include <errno.h>
 #include <inttypes.h>
 #include <poll.h>
 #include "cpumap.h"
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 757f73c4fa95..44a7aef3911b 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -8,6 +8,7 @@
  */
 
 #include <byteswap.h>
+#include <errno.h>
 #include <inttypes.h>
 #include <linux/bitops.h>
 #include <api/fs/tracing_path.h>
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 51865b8cb9f3..28a3acb7b313 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <inttypes.h>
 #include "util.h"
 #include "string2.h"
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index af3bd5d31d99..65d42758aadd 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -10,6 +10,7 @@
 #include "annotate.h"
 #include "srcline.h"
 #include "ui/progress.h"
+#include <errno.h>
 #include <math.h>
 
 static bool hists__filter_entry_by_dso(struct hists *hists,
diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c
index 471ed8b26a1c..b2834ac7b1f5 100644
--- a/tools/perf/util/intel-bts.c
+++ b/tools/perf/util/intel-bts.c
@@ -14,6 +14,7 @@
  */
 
 #include <endian.h>
+#include <errno.h>
 #include <byteswap.h>
 #include <inttypes.h>
 #include <linux/kernel.h>
diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c
index d6d25327bc92..388078d84eed 100644
--- a/tools/perf/util/jitdump.c
+++ b/tools/perf/util/jitdump.c
@@ -1,5 +1,6 @@
 #include <sys/sysmacros.h>
 #include <sys/types.h>
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/tools/perf/util/lzma.c b/tools/perf/util/lzma.c
index 9ddea5cecd94..5b73b268c169 100644
--- a/tools/perf/util/lzma.c
+++ b/tools/perf/util/lzma.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <lzma.h>
 #include <stdio.h>
 #include <linux/compiler.h>
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index f13f46a99b36..cdbfe3e32e5a 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <inttypes.h>
 #include "callchain.h"
 #include "debug.h"
diff --git a/tools/perf/util/ordered-events.c b/tools/perf/util/ordered-events.c
index df05be69cc9e..4de398cfb577 100644
--- a/tools/perf/util/ordered-events.c
+++ b/tools/perf/util/ordered-events.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <inttypes.h>
 #include <linux/list.h>
 #include <linux/compiler.h>
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 535c7cbb2bfb..d4877c8438e5 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1,5 +1,6 @@
 #include <linux/hw_breakpoint.h>
 #include <linux/err.h>
+#include <errno.h>
 #include "util.h"
 #include "../perf.h"
 #include "evlist.h"
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 7503fa170249..bca1844594d0 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1,6 +1,7 @@
 #include <linux/list.h>
 #include <linux/compiler.h>
 #include <sys/types.h>
+#include <errno.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdbool.h>
diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index 7942ea5c7e81..1ccaefdc05c4 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -14,6 +14,7 @@
  * GNU General Public License for more details.
  *
  */
+#include <errno.h>
 #include <sys/uio.h>
 #include "util.h"
 #include "event.h"
diff --git a/tools/perf/util/quote.c b/tools/perf/util/quote.c
index 293534c1a474..1ba8920151d8 100644
--- a/tools/perf/util/quote.c
+++ b/tools/perf/util/quote.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <stdlib.h>
 #include "strbuf.h"
 #include "quote.h"
diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c
index 98bf584853ea..d91bdf5a1aa4 100644
--- a/tools/perf/util/record.c
+++ b/tools/perf/util/record.c
@@ -2,6 +2,7 @@
 #include "evsel.h"
 #include "cpumap.h"
 #include "parse-events.h"
+#include <errno.h>
 #include <api/fs/fs.h>
 #include "util.h"
 #include "cloexec.h"
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 0695e08d2252..19d993f2a305 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <inttypes.h>
 #include <linux/kernel.h>
 #include <traceevent/event-parse.h>
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 63ad5374f364..9aa058e167e8 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <inttypes.h>
 #include <sys/mman.h>
 #include "sort.h"
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index bbf30b2d1614..c58174443dc1 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -1,3 +1,4 @@
+#include <errno.h>
 #include <inttypes.h>
 #include <math.h>
 #include "stat.h"
diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c
index 817593908d47..e91b5e86f027 100644
--- a/tools/perf/util/strbuf.c
+++ b/tools/perf/util/strbuf.c
@@ -1,6 +1,7 @@
 #include "debug.h"
 #include "util.h"
 #include <linux/kernel.h>
+#include <errno.h>
 
 int prefixcmp(const char *str, const char *prefix)
 {
diff --git a/tools/perf/util/strfilter.c b/tools/perf/util/strfilter.c
index 3b068e0e2d59..4dc0af669a30 100644
--- a/tools/perf/util/strfilter.c
+++ b/tools/perf/util/strfilter.c
@@ -2,6 +2,7 @@
 #include "string2.h"
 #include "strfilter.h"
 
+#include <errno.h>
 #include "sane_ctype.h"
 
 /* Operators */
diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c
index 870ef0f0659c..40bf5d4c0bfd 100644
--- a/tools/perf/util/symbol-minimal.c
+++ b/tools/perf/util/symbol-minimal.c
@@ -1,6 +1,7 @@
 #include "symbol.h"
 #include "util.h"
 
+#include <errno.h>
 #include <stdio.h>
 #include <fcntl.h>
 #include <string.h>
diff --git a/tools/perf/util/thread-stack.c b/tools/perf/util/thread-stack.c
index d3301529f6a7..dd17d6a38d3a 100644
--- a/tools/perf/util/thread-stack.c
+++ b/tools/perf/util/thread-stack.c
@@ -15,6 +15,7 @@
 
 #include <linux/rbtree.h>
 #include <linux/list.h>
+#include <errno.h>
 #include "thread.h"
 #include "event.h"
 #include "machine.h"
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index e8ce6abc5321..378c418ca0c1 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -1,4 +1,5 @@
 #include "../perf.h"
+#include <errno.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index ef86bf517e01..63ead7b06324 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -1,4 +1,5 @@
 #include <dirent.h>
+#include <errno.h>
 #include <limits.h>
 #include <stdbool.h>
 #include <stdlib.h>
diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c
index 788f4d3c76f5..f8455bed6e65 100644
--- a/tools/perf/util/unwind-libunwind-local.c
+++ b/tools/perf/util/unwind-libunwind-local.c
@@ -16,6 +16,7 @@
  */
 
 #include <elf.h>
+#include <errno.h>
 #include <gelf.h>
 #include <fcntl.h>
 #include <inttypes.h>
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 850ca54d17a5..6fd9963be1c8 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -18,7 +18,6 @@
 #include <stdarg.h>
 #include <string.h>
 #include <term.h>
-#include <errno.h>
 #include <limits.h>
 #include <sys/param.h>
 #include <sys/types.h>
diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c
index 7bdcad484225..d3c39eec89a8 100644
--- a/tools/perf/util/vdso.c
+++ b/tools/perf/util/vdso.c
@@ -1,4 +1,4 @@
-
+#include <errno.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <string.h>