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| author | Tom Zanussi <zanussi@kernel.org> | 2020-10-13 09:17:53 -0500 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-10-15 12:01:13 -0400 |
| commit | 42d120e2dda5724ea789461413b8691abc315ba1 (patch) | |
| tree | 9adc7794ff135ee75886aa84b82471cf57c30826 /kernel/trace/trace.h | |
| parent | 7d27adf575e7e917666f4eeca62188353a358060 (diff) | |
| download | lwn-42d120e2dda5724ea789461413b8691abc315ba1.tar.gz lwn-42d120e2dda5724ea789461413b8691abc315ba1.zip | |
tracing: Move is_good_name() from trace_probe.h to trace.h
is_good_name() is useful for other trace infrastructure, such as
synthetic events, so make it available via trace.h.
Link: https://lkml.kernel.org/r/cc6d6a2d7da6957fcbe1e2922e76d18d2bb459b4.1602598160.git.zanussi@kernel.org
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Tested-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index f777bb68e660..34e0c4d5a6e7 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -19,6 +19,7 @@ #include <linux/glob.h> #include <linux/irq_work.h> #include <linux/workqueue.h> +#include <linux/ctype.h> #ifdef CONFIG_FTRACE_SYSCALLS #include <asm/unistd.h> /* For NR_SYSCALLS */ @@ -2090,4 +2091,16 @@ static __always_inline void trace_iterator_reset(struct trace_iterator *iter) iter->pos = -1; } +/* Check the name is good for event/group/fields */ +static inline bool is_good_name(const char *name) +{ + if (!isalpha(*name) && *name != '_') + return false; + while (*++name != '\0') { + if (!isalpha(*name) && !isdigit(*name) && *name != '_') + return false; + } + return true; +} + #endif /* _LINUX_KERNEL_TRACE_H */ |