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author | Mark Salyzyn <salyzyn@google.com> | 2020-02-14 22:05:46 +0000 |
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committer | Mark Salyzyn <salyzyn@google.com> | 2020-02-14 22:05:46 +0000 |
commit | cad089551aa54d4acd88efc120802e776255167a (patch) | |
tree | 416c2847ea9b1134a09c94a2a82b20f3fed57e53 | |
parent | b2106dcb0b3186405174c107e6e8bbf783693be0 (diff) | |
parent | 5c0ba3bc10c9502b8216c95ae54eea9f096195bd (diff) | |
download | build-cad089551aa54d4acd88efc120802e776255167a.tar.gz |
GKI: devices_snapshot noise reduction am: 0c0380c70e am: 9a164a4b84 am: 5c0ba3bc10
Change-Id: I3df3eaee554aab2adb08688527caf71aa1f303d5
-rwxr-xr-x | gki/device_snapshot | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/gki/device_snapshot b/gki/device_snapshot index 089e5d9d..636d18ea 100755 --- a/gki/device_snapshot +++ b/gki/device_snapshot @@ -423,6 +423,84 @@ fi Reports the differences between stdin and \${input}" ] perform_diff() { diff -U1 "${input}" - | + # Squash noise, replacing long stretches of changes with trailing ... + sed '/^@@ -1,[0-9]\{4,\} [+]0,0 @@$/ q + /^@@ -0,0 [+]1,[0-9]\{4,\} @@$/ q + /^-\/sys\/module\/[^\/]*\/sections\/[.]bss$/ { + N + /^\(-\/sys\/module\/[^\/]*\/sections\/[.]\)bss\n\1data$/ { + : loop + N + /^-\(\/sys\/module\/[^\/]*\/sections\/[.]\)bss\n-\1data.*\n[+]\1bss[.][^\n]*$/ b loop + s/^-\(\/sys\/module\/[^\/]*\/sections\/[.]\)bss\n-\1data\(.*\n[+]\1bss[.][^\n]*\)\(\n\)\([^\n]*\)$/-\1bss\2\3-\1data\3\4/ + } + }' | + sed '/^[-+ ]\/sys\/module\/[^\/]*$/ { + : loop1 + N + /^ \([^\n]*\)\n[+]\1\/\(coresize\|parameters\)$/ b loop2 + /^\([-+][^\n]*\)\n\1\/\(coresize\|parameters\)$/ { + : loop2 + N + /^\([-+][^\n]*\)\n.*\n\1\/uevent$/ b skip1 + /^ \([^\n]*\)\n.*\n[+]\1\/uevent$/ b skip2 + /^ \([^\n]*\)\n.*\n[+]\1\/[^\n]*$/ b loop2 + /^\([-+][^\n]*\)\n.*\n\1\/[^\n]*$/ b loop2 + h + s/^\([-+][^\n]*\)\n.*\n\1\/[^\n]*\n[^\n]*$/\1\/.../ + s/^ \([^\n]*\)\(\n\).*\n[+]\1\/[^\n]*\n[^\n]*$/ \1\2+\1\/.../ + p + g + s/^.*\n\([^\n]*\)$/\1/ + /^[-+ ]\/sys\/module\/[^\/]*$/ b loop1 + b exit + : skip1 + s/^\([^\n]*\)\n.*\n\1\/uevent$/\1\/.../ + b exit + : skip2 + s/^ \([^\n]*\)\(\n\).*\n[+]\1\/uevent$/\1\2\1\/.../ + : exit + } + } + /^[-+]\/sys\/module\/[^\/]*\/refcnt$/ { + : loop3 + N + /^\([-+][^\n]*\/\)refcnt.*\n\1[^\n]*$/ b loop3 + h + s/^\([-+][^\n]*\/\)\(refcnt\n\).*\n\1[^\n]*\n[^\n]*$/\1\2\1.../ + p + g + s/^.*\n\([^\n]*\)$/\1/ + /^[-+ ]\/sys\/module\/[^\/]*$/ b loop1 + } + /^-\/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)$/ { + : loop4 + N + /^-\(\/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)\).*\n[+]\1[.][^\n]*$/ b loop4 + h + s/^-\(\/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)\)\n.*\(\n\)[+]\1[.][^\n]*\n[^\n]*$/-\1\3+\1.../ + s/^-\(\/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)\)\n[^\n]*[^.][^.]$/-\1/ + s/^-\(\/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)\)\(\n[+]\1[.][^\n]*\)\n[^\n]*[^.][^.]$/-\1\3/ + p + g + s/^.*\n\([^\n]*\)$/\1/ + /^-\/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)$/ b loop4 + /^[-+ ]\/sys\/module\/[^\/]*$/ b loop1 + } + /^ \/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)[.]/ { + : loop5 + N + /^ \(\/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)\)[.][^\n].*\n[+]\1[.][^\n]*$/ b loop5 + h + s/^ \(\/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)\)\([.][^\n]*\n\).*\n[+]\1[.][^\n]*\n[^\n]*$/ \1\3+\1.../ + s/^\( \/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)[.][^\n]*\)\n[^\n]*[^.][^.]$/\1/ + p + g + s/^.*\n\([^\n]*\)$/\1/ + /^ \/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)[.]/ b loop5 + /^-\/sys\/module\/[^\/]*\/sections\/[.]\(bss\|data\|rodata\|text\)$/ b loop4 + /^[-+ ]\/sys\/module\/[^\/]*$/ b loop1 + }' | grep '[-+ ]' || echo "${BLUE}[ INFO ]${NORMAL} no differences in /dev/ and /sys/ since last device snapshot" >&2 if [ -s "${output}.probed" -a -s "${input}.probed" ]; then @@ -639,6 +717,7 @@ fi | s@\(/sys/kernel/debug/binder/proc/\)[0-9][0-9]*\$@\1${NUM}@ s@\(/sys/kernel/debug/kgsl/proc/\)[0-9][0-9]*@\1${NUM}@ s@\(/sys/kernel/debug/kgsl/kgsl-[0-9a-f][0-9a-f]*/ctx/\)[0-9][0-9]*@\1${NUM}@ + s@\(/sys/module/[^/]*/sections/.*[.]llvm[.]\)[0-9][0-9]*\$@\1${NUM}@ s@\(/sys/kernel/debug/msm_cvp/core0/inst_\)[0-9a-f][0-9a-f]*@\1${NUM}@ s@\(/sys/kernel/iommu_groups/\)[0-9][0-9]*@\1${NUM}@ s@\(/devices/soc:qcom,msm_fastrpc:qcom,msm_fastrpc_compute_cb\)[0-9][0-9]*@\1${NUM}@ @@ -651,6 +730,7 @@ fi | else cat - >"${output}" fi + [ -s "${output}" ] || rm -f "${output}" else TMP=`mktemp -d` if [ X"${output}" = X"-" ]; then |