The comparison between traced and symbol addresses is backwards: if the traced address doesn't exactly match a symbol (which we don't expect it to), we'll show the next symbol and the offset to it, whereas we should show the previous symbol and the offset from it.
Cc: sta...@vger.kernel.org
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
tools/perf/scripts/python/net_dropmonitor.py | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tools/perf/scripts/python/net_dropmonitor.py
b/tools/perf/scripts/python/net_dropmonitor.py
index adbfbf0..4c11605 100755
--- a/tools/perf/scripts/python/net_dropmonitor.py
+++ b/tools/perf/scripts/python/net_dropmonitor.py
@@ -40,9 +40,9 @@ def get_kallsyms_table():
def get_sym(sloc):
loc = int(sloc)
- for i in kallsyms:
- if (i['loc'] >= loc):
- return (i['name'], i['loc']-loc)
+ for i in kallsyms[::-1]:
+ if loc >= i['loc']:
+ return (i['name'], loc - i['loc'])
return (None, 0)
def print_drop_table():
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