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authorIngo Molnar2017-11-14 07:21:44 +0100
committerIngo Molnar2017-11-14 07:21:44 +0100
commit050ab10a645097e47c01cfab3ccf24167e9b266b (patch)
tree686b17c63933f187305a87fba696415dccd032ae /tools/perf/trace/beauty
parent9eb719855f6c9b21eb5889d9ac2ca1c60527ad89 (diff)
parentb29c6ef7bb1257853c1e31616d84f55e561cf631 (diff)
Merge branch 'linus' into core/objtool, to pick up dependent commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/trace/beauty')
-rw-r--r--tools/perf/trace/beauty/Build2
-rw-r--r--tools/perf/trace/beauty/beauty.h18
-rw-r--r--tools/perf/trace/beauty/kcmp.c44
-rwxr-xr-xtools/perf/trace/beauty/kcmp_type.sh10
-rwxr-xr-xtools/perf/trace/beauty/madvise_behavior.sh10
-rw-r--r--tools/perf/trace/beauty/mmap.c38
-rw-r--r--tools/perf/trace/beauty/prctl.c82
-rwxr-xr-xtools/perf/trace/beauty/prctl_option.sh17
8 files changed, 195 insertions, 26 deletions
diff --git a/tools/perf/trace/beauty/Build b/tools/perf/trace/beauty/Build
index 175d633c6b49..066bbf0f4a74 100644
--- a/tools/perf/trace/beauty/Build
+++ b/tools/perf/trace/beauty/Build
@@ -3,5 +3,7 @@ libperf-y += fcntl.o
ifeq ($(SRCARCH),$(filter $(SRCARCH),x86))
libperf-y += ioctl.o
endif
+libperf-y += kcmp.o
libperf-y += pkey_alloc.o
+libperf-y += prctl.o
libperf-y += statx.o
diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h
index d80655cd1881..a6dfd04beaee 100644
--- a/tools/perf/trace/beauty/beauty.h
+++ b/tools/perf/trace/beauty/beauty.h
@@ -4,6 +4,7 @@
#include <linux/kernel.h>
#include <linux/types.h>
+#include <sys/types.h>
struct strarray {
int offset;
@@ -27,6 +28,8 @@ size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const cha
struct trace;
struct thread;
+size_t pid__scnprintf_fd(struct trace *trace, pid_t pid, int fd, char *bf, size_t size);
+
/**
* @val: value of syscall argument being formatted
* @args: All the args, use syscall_args__val(arg, nth) to access one
@@ -79,12 +82,27 @@ size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_ar
size_t syscall_arg__scnprintf_ioctl_cmd(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_IOCTL_CMD syscall_arg__scnprintf_ioctl_cmd
+size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg);
+#define SCA_KCMP_TYPE syscall_arg__scnprintf_kcmp_type
+
+size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg);
+#define SCA_KCMP_IDX syscall_arg__scnprintf_kcmp_idx
+
size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_PKEY_ALLOC_ACCESS_RIGHTS syscall_arg__scnprintf_pkey_alloc_access_rights
size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags
+size_t syscall_arg__scnprintf_prctl_option(char *bf, size_t size, struct syscall_arg *arg);
+#define SCA_PRCTL_OPTION syscall_arg__scnprintf_prctl_option
+
+size_t syscall_arg__scnprintf_prctl_arg2(char *bf, size_t size, struct syscall_arg *arg);
+#define SCA_PRCTL_ARG2 syscall_arg__scnprintf_prctl_arg2
+
+size_t syscall_arg__scnprintf_prctl_arg3(char *bf, size_t size, struct syscall_arg *arg);
+#define SCA_PRCTL_ARG3 syscall_arg__scnprintf_prctl_arg3
+
size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_STATX_FLAGS syscall_arg__scnprintf_statx_flags
diff --git a/tools/perf/trace/beauty/kcmp.c b/tools/perf/trace/beauty/kcmp.c
new file mode 100644
index 000000000000..f62040eb9d5c
--- /dev/null
+++ b/tools/perf/trace/beauty/kcmp.c
@@ -0,0 +1,44 @@
+/*
+ * trace/beauty/kcmp.c
+ *
+ * Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+ *
+ * Released under the GPL v2. (and only v2, not any later version)
+ */
+
+#include "trace/beauty/beauty.h"
+#include <linux/kernel.h>
+#include <sys/types.h>
+#include <machine.h>
+#include <uapi/linux/kcmp.h>
+
+#include "trace/beauty/generated/kcmp_type_array.c"
+
+size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg)
+{
+ unsigned long fd = arg->val;
+ int type = syscall_arg__val(arg, 2);
+ pid_t pid;
+
+ if (type != KCMP_FILE)
+ return syscall_arg__scnprintf_long(bf, size, arg);
+
+ pid = syscall_arg__val(arg, arg->idx == 3 ? 0 : 1); /* idx1 -> pid1, idx2 -> pid2 */
+ return pid__scnprintf_fd(arg->trace, pid, fd, bf, size);
+}
+
+static size_t kcmp__scnprintf_type(int type, char *bf, size_t size)
+{
+ static DEFINE_STRARRAY(kcmp_types);
+ return strarray__scnprintf(&strarray__kcmp_types, bf, size, "%d", type);
+}
+
+size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg)
+{
+ unsigned long type = arg->val;
+
+ if (type != KCMP_FILE)
+ arg->mask |= (1 << 3) | (1 << 4); /* Ignore idx1 and idx2 */
+
+ return kcmp__scnprintf_type(type, bf, size);
+}
diff --git a/tools/perf/trace/beauty/kcmp_type.sh b/tools/perf/trace/beauty/kcmp_type.sh
new file mode 100755
index 000000000000..40d063b8c082
--- /dev/null
+++ b/tools/perf/trace/beauty/kcmp_type.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+header_dir=$1
+
+printf "static const char *kcmp_types[] = {\n"
+regex='^[[:space:]]+(KCMP_(\w+)),'
+egrep $regex ${header_dir}/kcmp.h | grep -v KCMP_TYPES, | \
+ sed -r "s/$regex/\1 \2/g" | \
+ xargs printf "\t[%s]\t= \"%s\",\n"
+printf "};\n"
diff --git a/tools/perf/trace/beauty/madvise_behavior.sh b/tools/perf/trace/beauty/madvise_behavior.sh
new file mode 100755
index 000000000000..60ef8640ee70
--- /dev/null
+++ b/tools/perf/trace/beauty/madvise_behavior.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+header_dir=$1
+
+printf "static const char *madvise_advices[] = {\n"
+regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MADV_([[:alnum:]_]+)[[:space:]]+([[:digit:]]+)[[:space:]]*.*'
+egrep $regex ${header_dir}/mman-common.h | \
+ sed -r "s/$regex/\2 \1/g" | \
+ sort -n | xargs printf "\t[%s] = \"%s\",\n"
+printf "};\n"
diff --git a/tools/perf/trace/beauty/mmap.c b/tools/perf/trace/beauty/mmap.c
index 51f1cea406f5..9e1668b2c5d7 100644
--- a/tools/perf/trace/beauty/mmap.c
+++ b/tools/perf/trace/beauty/mmap.c
@@ -95,35 +95,21 @@ static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size,
#define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags
+static size_t madvise__scnprintf_behavior(int behavior, char *bf, size_t size)
+{
+#include "trace/beauty/generated/madvise_behavior_array.c"
+ static DEFINE_STRARRAY(madvise_advices);
+
+ if (behavior < strarray__madvise_advices.nr_entries && strarray__madvise_advices.entries[behavior] != NULL)
+ return scnprintf(bf, size, "MADV_%s", strarray__madvise_advices.entries[behavior]);
+
+ return scnprintf(bf, size, "%#", behavior);
+}
+
static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
struct syscall_arg *arg)
{
- int behavior = arg->val;
-
- switch (behavior) {
-#define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n)
- P_MADV_BHV(NORMAL);
- P_MADV_BHV(RANDOM);
- P_MADV_BHV(SEQUENTIAL);
- P_MADV_BHV(WILLNEED);
- P_MADV_BHV(DONTNEED);
- P_MADV_BHV(FREE);
- P_MADV_BHV(REMOVE);
- P_MADV_BHV(DONTFORK);
- P_MADV_BHV(DOFORK);
- P_MADV_BHV(HWPOISON);
- P_MADV_BHV(SOFT_OFFLINE);
- P_MADV_BHV(MERGEABLE);
- P_MADV_BHV(UNMERGEABLE);
- P_MADV_BHV(HUGEPAGE);
- P_MADV_BHV(NOHUGEPAGE);
- P_MADV_BHV(DONTDUMP);
- P_MADV_BHV(DODUMP);
-#undef P_MADV_BHV
- default: break;
- }
-
- return scnprintf(bf, size, "%#x", behavior);
+ return madvise__scnprintf_behavior(arg->val, bf, size);
}
#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
diff --git a/tools/perf/trace/beauty/prctl.c b/tools/perf/trace/beauty/prctl.c
new file mode 100644
index 000000000000..246130dad6c4
--- /dev/null
+++ b/tools/perf/trace/beauty/prctl.c
@@ -0,0 +1,82 @@
+/*
+ * trace/beauty/prctl.c
+ *
+ * Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+ *
+ * Released under the GPL v2. (and only v2, not any later version)
+ */
+
+#include "trace/beauty/beauty.h"
+#include <linux/kernel.h>
+#include <uapi/linux/prctl.h>
+
+#include "trace/beauty/generated/prctl_option_array.c"
+
+static size_t prctl__scnprintf_option(int option, char *bf, size_t size)
+{
+ static DEFINE_STRARRAY(prctl_options);
+ return strarray__scnprintf(&strarray__prctl_options, bf, size, "%d", option);
+}
+
+static size_t prctl__scnprintf_set_mm(int option, char *bf, size_t size)
+{
+ static DEFINE_STRARRAY(prctl_set_mm_options);
+ return strarray__scnprintf(&strarray__prctl_set_mm_options, bf, size, "%d", option);
+}
+
+size_t syscall_arg__scnprintf_prctl_arg2(char *bf, size_t size, struct syscall_arg *arg)
+{
+ int option = syscall_arg__val(arg, 0);
+
+ if (option == PR_SET_MM)
+ return prctl__scnprintf_set_mm(arg->val, bf, size);
+ /*
+ * We still don't grab the contents of pointers on entry or exit,
+ * so just print them as hex numbers
+ */
+ if (option == PR_SET_NAME)
+ return syscall_arg__scnprintf_hex(bf, size, arg);
+
+ return syscall_arg__scnprintf_long(bf, size, arg);
+}
+
+size_t syscall_arg__scnprintf_prctl_arg3(char *bf, size_t size, struct syscall_arg *arg)
+{
+ int option = syscall_arg__val(arg, 0);
+
+ if (option == PR_SET_MM)
+ return syscall_arg__scnprintf_hex(bf, size, arg);
+
+ return syscall_arg__scnprintf_long(bf, size, arg);
+}
+
+size_t syscall_arg__scnprintf_prctl_option(char *bf, size_t size, struct syscall_arg *arg)
+{
+ unsigned long option = arg->val;
+ enum {
+ SPO_ARG2 = (1 << 1),
+ SPO_ARG3 = (1 << 2),
+ SPO_ARG4 = (1 << 3),
+ SPO_ARG5 = (1 << 4),
+ SPO_ARG6 = (1 << 5),
+ };
+ const u8 all_but2 = SPO_ARG3 | SPO_ARG4 | SPO_ARG5 | SPO_ARG6;
+ const u8 all = SPO_ARG2 | all_but2;
+ const u8 masks[] = {
+ [PR_GET_DUMPABLE] = all,
+ [PR_SET_DUMPABLE] = all_but2,
+ [PR_SET_NAME] = all_but2,
+ [PR_GET_CHILD_SUBREAPER] = all_but2,
+ [PR_SET_CHILD_SUBREAPER] = all_but2,
+ [PR_GET_SECUREBITS] = all,
+ [PR_SET_SECUREBITS] = all_but2,
+ [PR_SET_MM] = SPO_ARG4 | SPO_ARG5 | SPO_ARG6,
+ [PR_GET_PDEATHSIG] = all,
+ [PR_SET_PDEATHSIG] = all_but2,
+ };
+
+ if (option < ARRAY_SIZE(masks))
+ arg->mask |= masks[option];
+
+ return prctl__scnprintf_option(option, bf, size);
+}
diff --git a/tools/perf/trace/beauty/prctl_option.sh b/tools/perf/trace/beauty/prctl_option.sh
new file mode 100755
index 000000000000..0be4138fbe71
--- /dev/null
+++ b/tools/perf/trace/beauty/prctl_option.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+header_dir=$1
+
+printf "static const char *prctl_options[] = {\n"
+regex='^#define[[:space:]]+PR_([GS]ET\w+)[[:space:]]*([[:xdigit:]]+).*'
+egrep $regex ${header_dir}/prctl.h | grep -v PR_SET_PTRACER | \
+ sed -r "s/$regex/\2 \1/g" | \
+ sort -n | xargs printf "\t[%s] = \"%s\",\n"
+printf "};\n"
+
+printf "static const char *prctl_set_mm_options[] = {\n"
+regex='^#[[:space:]]+define[[:space:]]+PR_SET_MM_(\w+)[[:space:]]*([[:digit:]]+).*'
+egrep $regex ${header_dir}/prctl.h | \
+ sed -r "s/$regex/\2 \1/g" | \
+ sort -n | xargs printf "\t[%s] = \"%s\",\n"
+printf "};\n"