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| author | David S. Miller <davem@davemloft.net> | 2008-12-02 19:50:27 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-02 19:50:27 -0800 |
| commit | aa2ba5f1082dc705745899584aac8416d710c056 (patch) | |
| tree | bde0bf4aff036c6bac19a0212194ae1092afb3c9 /kernel/trace/trace_mmiotrace.c | |
| parent | 68024541e2e5a8f35e281daaa5068a29e2a538a5 (diff) | |
| parent | f6f7b52e2f6149d2ee365717afff315b05720162 (diff) | |
| download | op-kernel-dev-aa2ba5f1082dc705745899584aac8416d710c056.zip op-kernel-dev-aa2ba5f1082dc705745899584aac8416d710c056.tar.gz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/ixgbe/ixgbe_main.c
drivers/net/smc91x.c
Diffstat (limited to 'kernel/trace/trace_mmiotrace.c')
| -rw-r--r-- | kernel/trace/trace_mmiotrace.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index f284846..e62cbf7 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -18,12 +18,14 @@ struct header_iter { static struct trace_array *mmio_trace_array; static bool overrun_detected; +static unsigned long prev_overruns; static void mmio_reset_data(struct trace_array *tr) { int cpu; overrun_detected = false; + prev_overruns = 0; tr->time_start = ftrace_now(tr->cpu); for_each_online_cpu(cpu) @@ -128,16 +130,12 @@ static void mmio_close(struct trace_iterator *iter) static unsigned long count_overruns(struct trace_iterator *iter) { - int cpu; unsigned long cnt = 0; -/* FIXME: */ -#if 0 - for_each_online_cpu(cpu) { - cnt += iter->overrun[cpu]; - iter->overrun[cpu] = 0; - } -#endif - (void)cpu; + unsigned long over = ring_buffer_overruns(iter->tr->buffer); + + if (over > prev_overruns) + cnt = over - prev_overruns; + prev_overruns = over; return cnt; } |
