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Diffstat (limited to 'results/classifier/deepseek-2/output/performance/1321464')
| -rw-r--r-- | results/classifier/deepseek-2/output/performance/1321464 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/output/performance/1321464 b/results/classifier/deepseek-2/output/performance/1321464 new file mode 100644 index 000000000..d808cde13 --- /dev/null +++ b/results/classifier/deepseek-2/output/performance/1321464 @@ -0,0 +1,26 @@ + +qemu/block/qcow2.c:1942: possible performance problem ? + +I just ran static analyser cppcheck over today (20140520) qemu source code. + +It said many things, including + +[qemu/block/qcow2.c:1942] -> [qemu/block/qcow2.c:1943]: (performance) Buffer 'pad_buf' is being writ +ten before its old content has been used. + +Source code is + + memset(pad_buf, 0, s->cluster_size); + memcpy(pad_buf, buf, nb_sectors * BDRV_SECTOR_SIZE); + +Worth tuning ? + +Similar problem here + +[qemu/block/qcow.c:815] -> [qemu/block/qcow.c:816]: (performance) Buffer 'pad_buf' is being written +before its old content has been used. + +and + +[qemu/hw/i386/acpi-build.c:1265] -> [qemu/hw/i386/acpi-build.c:1267]: (performance) Buffer 'dsdt' is + being written before its old content has been used. \ No newline at end of file |