neels has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmocore/+/31266 ) Change subject: add contrib/talloc_count.sh ...................................................................... add contrib/talloc_count.sh When a user reports a memory leak with a talloc report, this script is useful to quickly get a handle of what is being leaked. The alternative is eyeballing the talloc report for a very long time. Change-Id: I5b3242dd6e0649925ac6abfd1e96625c682b8934 --- A contrib/talloc_count.sh 1 file changed, 43 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/66/31266/1 diff --git a/contrib/talloc_count.sh b/contrib/talloc_count.sh new file mode 100755 index 0000000..ca0cc24 --- /dev/null +++ b/contrib/talloc_count.sh @@ -0,0 +1,43 @@ +#!/bin/sh +# +# Print a summary of how often each named object appears in a talloc report. +# +# usage: +# talloc_count.sh my_talloc_report.txt +# or: +# osmo_interact_vty.py -p 4242 -c 'show talloc-context application full' | talloc_count.sh +# +# produces output like: +# 1 = struct foo +# 1 = struct log_info +# 1 = struct log_info_cat +# 21 = msgb +# 1391 = SCCP-SCOC(N)[N] +# 1402 = struct osmo_fsm_inst +# [...] + +f="$1" + +tmpdir="$(mktemp -d)" +trap "rm -rf \"$tmpdir\"" EXIT + +# without input file, read stdin +if [ "x$f" = "x" ]; then + f="$tmpdir/input" + cat > $f +fi + +mangled="$tmpdir/mangled" +grep contains "$f" | sed 's/[ \t]*contains.*//' | sed 's/^[ \t]*//' | sed 's/[ \t][ \t]*/ /g' | grep -v '^$' | grep -v '^[0-9]\+$' | sed 's/0x[0-9a-fA-F]\+/N/g' | sed 's/[0-9]\+/N/g' | sort > "$mangled" + +count() { + name="$1" + nr="$(grep -Fx "$name" "$mangled" | wc -l)" + printf "%6d = $name\\n" $nr +} + +{ + cat "$mangled" | uniq | while read type; do + count "$type" + done +} | sort -h -- To view, visit https://gerrit.osmocom.org/c/libosmocore/+/31266 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: libosmocore Gerrit-Branch: master Gerrit-Change-Id: I5b3242dd6e0649925ac6abfd1e96625c682b8934 Gerrit-Change-Number: 31266 Gerrit-PatchSet: 1 Gerrit-Owner: neels <nhofmeyr(a)sysmocom.de> Gerrit-MessageType: newchange