diff options
| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-09-10 09:34:19 +0800 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2009-09-09 23:54:11 -0400 |
| commit | 197e2eabc90c203d1086916b7f66694ba5fbb937 (patch) | |
| tree | 80734d0e96ac0f4ffc1bcac4198d537804dae037 /kernel/trace/trace_events_filter.c | |
| parent | a5921c6c37d51ee2079ca3c69ea6f7b7384f5d87 (diff) | |
tracing: move PRED macros to trace_events_filter.c
Move DEFINE_COMPARISON_PRED() and DEFINE_EQUALITY_PRED()
to kernel/trace/trace_events_filter.c
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4AA8579B.4020706@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_events_filter.c')
| -rw-r--r-- | kernel/trace/trace_events_filter.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index 93660fbbf629..23245785927f 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -121,6 +121,47 @@ struct filter_parse_state { } operand; }; +#define DEFINE_COMPARISON_PRED(type) \ +static int filter_pred_##type(struct filter_pred *pred, void *event, \ + int val1, int val2) \ +{ \ + type *addr = (type *)(event + pred->offset); \ + type val = (type)pred->val; \ + int match = 0; \ + \ + switch (pred->op) { \ + case OP_LT: \ + match = (*addr < val); \ + break; \ + case OP_LE: \ + match = (*addr <= val); \ + break; \ + case OP_GT: \ + match = (*addr > val); \ + break; \ + case OP_GE: \ + match = (*addr >= val); \ + break; \ + default: \ + break; \ + } \ + \ + return match; \ +} + +#define DEFINE_EQUALITY_PRED(size) \ +static int filter_pred_##size(struct filter_pred *pred, void *event, \ + int val1, int val2) \ +{ \ + u##size *addr = (u##size *)(event + pred->offset); \ + u##size val = (u##size)pred->val; \ + int match; \ + \ + match = (val == *addr) ^ pred->not; \ + \ + return match; \ +} + DEFINE_COMPARISON_PRED(s64); DEFINE_COMPARISON_PRED(u64); DEFINE_COMPARISON_PRED(s32); |