Undocumented or rare but very useful.
#pragma D option dynvarsize=16m
Tweak this value up until you stop getting dynamic variable drops.
diff -u <(sort /etc/passwd) <(shuf /etc/passwd | sort)
sudo tmutil disablelocal
-fno-optimize-sibling-calls
sudo sh -c "sync; echo 3 > /proc/sys/vm/drop_caches"
OSX:
purge
fcntl(fd, F_GLOBAL_NOCACHE, 1);
int sendfile(int fd, int s, off_t offset, off_t *len, struct sf_hdtr* hdtr, int flags);
int sendfile(int fd, int s, off_t offset, size_t nbytes, struct sf_hdtr *hdtr, off_t *sbytes, int flags);
ssize_t sendfile(int out, int in, off_t *off, size_t len);
ssize_t sendfile(int out, int in, off_t *offset, size_t count);
(2 days, 16 hours ago) Никогда в жизни так много не кашлял.