diff options
| author | Mark Brown <broonie@kernel.org> | 2015-10-12 18:09:27 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-10-12 18:09:27 +0100 |
| commit | 79828b4fa835f73cdaf4bffa48696abdcbea9d02 (patch) | |
| tree | 5e0fa7156acb75ba603022bc807df8f2fedb97a8 /kernel/trace/trace_uprobe.c | |
| parent | 721b51fcf91898299d96f4b72cb9434cda29dce6 (diff) | |
| parent | 8c1a9d6323abf0fb1e5dad96cf3f1c783505ea5a (diff) | |
Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-fix-rt5645
Diffstat (limited to 'kernel/trace/trace_uprobe.c')
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index aa1ea7b36fa8..d2f6d0be3503 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -601,7 +601,22 @@ static int probes_seq_show(struct seq_file *m, void *v) seq_printf(m, "%c:%s/%s", c, tu->tp.call.class->system, trace_event_name(&tu->tp.call)); - seq_printf(m, " %s:0x%p", tu->filename, (void *)tu->offset); + seq_printf(m, " %s:", tu->filename); + + /* Don't print "0x (null)" when offset is 0 */ + if (tu->offset) { + seq_printf(m, "0x%p", (void *)tu->offset); + } else { + switch (sizeof(void *)) { + case 4: + seq_printf(m, "0x00000000"); + break; + case 8: + default: + seq_printf(m, "0x0000000000000000"); + break; + } + } for (i = 0; i < tu->tp.nr_args; i++) seq_printf(m, " %s=%s", tu->tp.args[i].name, tu->tp.args[i].comm); @@ -1095,11 +1110,15 @@ static void __uprobe_perf_func(struct trace_uprobe *tu, { struct trace_event_call *call = &tu->tp.call; struct uprobe_trace_entry_head *entry; + struct bpf_prog *prog = call->prog; struct hlist_head *head; void *data; int size, esize; int rctx; + if (prog && !trace_call_bpf(prog, regs)) + return; + esize = SIZEOF_TRACE_ENTRY(is_ret_probe(tu)); size = esize + tu->tp.size + dsize; @@ -1289,6 +1308,7 @@ static int register_uprobe_event(struct trace_uprobe *tu) return -ENODEV; } + call->flags = TRACE_EVENT_FL_UPROBE; call->class->reg = trace_uprobe_register; call->data = tu; ret = trace_add_event_call(call); |