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Merge tag 'trace-v4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

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Pull tracing fixes from Steven Rostedt:

 - Add workqueue forward declaration (for new work, but a nice clean up)

 - seftest fixes for the new histogram code

 - Print output fix for hwlat tracer

 - Fix missing system call events - due to change in x86 syscall naming

 - Fix kprobe address being used by perf being hashed

* tag 'trace-v4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Fix missing tab for hwlat_detector print format
  selftests: ftrace: Add a testcase for multiple actions on trigger
  selftests: ftrace: Fix trigger extended error testcase
  kprobes: Fix random address output of blacklist file
  tracing: Fix kernel crash while using empty filter with perf
  tracing/x86: Update syscall trace events to handle new prefixed syscall func names
  tracing: Add missing forward declaration
This commit is contained in:
Linus Torvalds
2018-04-26 16:22:47 -07:00
parent fe03a7594d 9a0fd67530
commit 47b5ece937
7 changed files with 73 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/kprobes.c
View File

@@ -2428,7 +2428,7 @@ static int kprobe_blacklist_seq_show(struct seq_file *m, void *v)
struct kprobe_blacklist_entry *ent =
list_entry(v, struct kprobe_blacklist_entry, list);
seq_printf(m, "0x%p-0x%p\t%ps\n", (void *)ent->start_addr,
seq_printf(m, "0x%px-0x%px\t%ps\n", (void *)ent->start_addr,
(void *)ent->end_addr, (void *)ent->start_addr);
return 0;
}

2
kernel/trace/trace_entries.h
View File

@@ -356,7 +356,7 @@ FTRACE_ENTRY(hwlat, hwlat_entry,
__field( unsigned int, seqnum )
),
F_printk("cnt:%u\tts:%010llu.%010lu\tinner:%llu\touter:%llunmi-ts:%llu\tnmi-count:%u\n",
F_printk("cnt:%u\tts:%010llu.%010lu\tinner:%llu\touter:%llu\tnmi-ts:%llu\tnmi-count:%u\n",
__entry->seqnum,
__entry->tv_sec,
__entry->tv_nsec,

14
kernel/trace/trace_events_filter.c
View File

@@ -1499,14 +1499,14 @@ static int process_preds(struct trace_event_call *call,
return ret;
}
if (!nr_preds) {
prog = NULL;
} else {
prog = predicate_parse(filter_string, nr_parens, nr_preds,
if (!nr_preds)
return -EINVAL;
prog = predicate_parse(filter_string, nr_parens, nr_preds,
parse_pred, call, pe);
if (IS_ERR(prog))
return PTR_ERR(prog);
}
if (IS_ERR(prog))
return PTR_ERR(prog);
rcu_assign_pointer(filter->prog, prog);
return 0;
}