diff options
Diffstat (limited to 'tools/perf/trace/beauty')
| -rw-r--r-- | tools/perf/trace/beauty/Build | 1 | ||||
| -rw-r--r-- | tools/perf/trace/beauty/beauty.h | 65 | ||||
| -rw-r--r-- | tools/perf/trace/beauty/fcntl.c | 100 | ||||
| -rw-r--r-- | tools/perf/trace/beauty/open_flags.c | 29 | ||||
| -rw-r--r-- | tools/perf/trace/beauty/pid.c | 4 |
5 files changed, 188 insertions, 11 deletions
diff --git a/tools/perf/trace/beauty/Build b/tools/perf/trace/beauty/Build index be95ac6ce845..c9e215b806f1 100644 --- a/tools/perf/trace/beauty/Build +++ b/tools/perf/trace/beauty/Build @@ -1 +1,2 @@ +libperf-y += fcntl.o libperf-y += statx.o diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h index cf50be3f17a4..f75ef7d0b303 100644 --- a/tools/perf/trace/beauty/beauty.h +++ b/tools/perf/trace/beauty/beauty.h @@ -1,13 +1,44 @@ #ifndef _PERF_TRACE_BEAUTY_H #define _PERF_TRACE_BEAUTY_H +#include <linux/kernel.h> #include <linux/types.h> +struct strarray { + int offset; + int nr_entries; + const char **entries; +}; + +#define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \ + .nr_entries = ARRAY_SIZE(array), \ + .entries = array, \ +} + +#define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \ + .offset = off, \ + .nr_entries = ARRAY_SIZE(array), \ + .entries = array, \ +} + +size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const char *intfmt, int val); + struct trace; struct thread; +/** + * @val: value of syscall argument being formatted + * @args: All the args, use syscall_args__val(arg, nth) to access one + * @thread: tid state (maps, pid, tid, etc) + * @trace: 'perf trace' internals: all threads, etc + * @parm: private area, may be an strarray, for instance + * @idx: syscall arg idx (is this the first?) + * @mask: a syscall arg may mask another arg, see syscall_arg__scnprintf_futex_op + */ + struct syscall_arg { unsigned long val; + unsigned char *args; struct thread *thread; struct trace *trace; void *parm; @@ -15,10 +46,44 @@ struct syscall_arg { u8 mask; }; +unsigned long syscall_arg__val(struct syscall_arg *arg, u8 idx); + +size_t syscall_arg__scnprintf_strarrays(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_STRARRAYS syscall_arg__scnprintf_strarrays + +size_t syscall_arg__scnprintf_fd(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_FD syscall_arg__scnprintf_fd + +size_t syscall_arg__scnprintf_hex(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_HEX syscall_arg__scnprintf_hex + +size_t syscall_arg__scnprintf_int(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_INT syscall_arg__scnprintf_int + +size_t syscall_arg__scnprintf_long(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_LONG syscall_arg__scnprintf_long + +size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_PID syscall_arg__scnprintf_pid + +size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_FCNTL_CMD syscall_arg__scnprintf_fcntl_cmd + +size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg); +#define SCA_FCNTL_ARG syscall_arg__scnprintf_fcntl_arg + +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_statx_flags(char *bf, size_t size, struct syscall_arg *arg); #define SCA_STATX_FLAGS syscall_arg__scnprintf_statx_flags size_t syscall_arg__scnprintf_statx_mask(char *bf, size_t size, struct syscall_arg *arg); #define SCA_STATX_MASK syscall_arg__scnprintf_statx_mask +size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size); + +void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg, + size_t (*ret_scnprintf)(char *bf, size_t size, struct syscall_arg *arg)); + #endif /* _PERF_TRACE_BEAUTY_H */ diff --git a/tools/perf/trace/beauty/fcntl.c b/tools/perf/trace/beauty/fcntl.c new file mode 100644 index 000000000000..9e8900c13cb1 --- /dev/null +++ b/tools/perf/trace/beauty/fcntl.c @@ -0,0 +1,100 @@ +/* + * trace/beauty/fcntl.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/fcntl.h> + +static size_t fcntl__scnprintf_getfd(unsigned long val, char *bf, size_t size) +{ + return scnprintf(bf, size, "%s", val ? "CLOEXEC" : "0"); +} + +static size_t syscall_arg__scnprintf_fcntl_getfd(char *bf, size_t size, struct syscall_arg *arg) +{ + return fcntl__scnprintf_getfd(arg->val, bf, size); +} + +static size_t fcntl__scnprintf_getlease(unsigned long val, char *bf, size_t size) +{ + static const char *fcntl_setlease[] = { "RDLCK", "WRLCK", "UNLCK", }; + static DEFINE_STRARRAY(fcntl_setlease); + + return strarray__scnprintf(&strarray__fcntl_setlease, bf, size, "%x", val); +} + +static size_t syscall_arg__scnprintf_fcntl_getlease(char *bf, size_t size, struct syscall_arg *arg) +{ + return fcntl__scnprintf_getlease(arg->val, bf, size); +} + +size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_arg *arg) +{ + if (arg->val == F_GETFL) { + syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_open_flags); + goto mask_arg; + } + if (arg->val == F_GETFD) { + syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_fcntl_getfd); + goto mask_arg; + } + if (arg->val == F_DUPFD_CLOEXEC || arg->val == F_DUPFD) { + syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_fd); + goto out; + } + if (arg->val == F_GETOWN) { + syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_pid); + goto mask_arg; + } + if (arg->val == F_GETLEASE) { + syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_fcntl_getlease); + goto mask_arg; + } + /* + * Some commands ignore the third fcntl argument, "arg", so mask it + */ + if (arg->val == F_GET_SEALS || + arg->val == F_GETSIG) { +mask_arg: + arg->mask |= (1 << 2); + } +out: + return syscall_arg__scnprintf_strarrays(bf, size, arg); +} + +size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg) +{ + int cmd = syscall_arg__val(arg, 1); + + if (cmd == F_DUPFD) + return syscall_arg__scnprintf_fd(bf, size, arg); + + if (cmd == F_SETFD) + return fcntl__scnprintf_getfd(arg->val, bf, size); + + if (cmd == F_SETFL) + return open__scnprintf_flags(arg->val, bf, size); + + if (cmd == F_SETOWN) + return syscall_arg__scnprintf_pid(bf, size, arg); + + if (cmd == F_SETLEASE) + return fcntl__scnprintf_getlease(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 (cmd == F_SETLK || cmd == F_SETLKW || cmd == F_GETLK || + cmd == F_OFD_SETLK || cmd == F_OFD_SETLKW || cmd == F_OFD_GETLK || + cmd == F_GETOWN_EX || cmd == F_SETOWN_EX || + cmd == F_GET_RW_HINT || cmd == F_SET_RW_HINT || + cmd == F_GET_FILE_RW_HINT || cmd == F_SET_FILE_RW_HINT) + return syscall_arg__scnprintf_hex(bf, size, arg); + + return syscall_arg__scnprintf_long(bf, size, arg); +} diff --git a/tools/perf/trace/beauty/open_flags.c b/tools/perf/trace/beauty/open_flags.c index f55a4597fc38..e359e041dc0e 100644 --- a/tools/perf/trace/beauty/open_flags.c +++ b/tools/perf/trace/beauty/open_flags.c @@ -14,13 +14,16 @@ #define O_NOATIME 01000000 #endif -static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, - struct syscall_arg *arg) -{ - int printed = 0, flags = arg->val; +#ifndef O_TMPFILE +#define O_TMPFILE 020000000 +#endif - if (!(flags & O_CREAT)) - arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */ +#undef O_LARGEFILE +#define O_LARGEFILE 00100000 + +size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size) +{ + int printed = 0; if (flags == 0) return scnprintf(bf, size, "RDONLY"); @@ -30,6 +33,7 @@ static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, flags &= ~O_##n; \ } + P_FLAG(RDWR); P_FLAG(APPEND); P_FLAG(ASYNC); P_FLAG(CLOEXEC); @@ -38,6 +42,8 @@ static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, P_FLAG(DIRECTORY); P_FLAG(EXCL); P_FLAG(LARGEFILE); + P_FLAG(NOFOLLOW); + P_FLAG(TMPFILE); P_FLAG(NOATIME); P_FLAG(NOCTTY); #ifdef O_NONBLOCK @@ -48,7 +54,6 @@ static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, #ifdef O_PATH P_FLAG(PATH); #endif - P_FLAG(RDWR); #ifdef O_DSYNC if ((flags & O_SYNC) == O_SYNC) printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC"); @@ -68,4 +73,12 @@ static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, return printed; } -#define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags +size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg) +{ + int flags = arg->val; + + if (!(flags & O_CREAT)) + arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */ + + return open__scnprintf_flags(flags, bf, size); +} diff --git a/tools/perf/trace/beauty/pid.c b/tools/perf/trace/beauty/pid.c index 07486ea65ae3..b6d419e16dcf 100644 --- a/tools/perf/trace/beauty/pid.c +++ b/tools/perf/trace/beauty/pid.c @@ -1,4 +1,4 @@ -static size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg) +size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg) { int pid = arg->val; struct trace *trace = arg->trace; @@ -17,5 +17,3 @@ static size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_a return printed; } - -#define SCA_PID syscall_arg__scnprintf_pid |