perf_read         276 arch/parisc/kernel/perf.c static ssize_t perf_read(struct file *file, char __user *buf, size_t cnt, loff_t *ppos)
perf_read         120 drivers/gpu/drm/msm/msm_perf.c static ssize_t perf_read(struct file *file, char __user *buf,
perf_read        4994 kernel/events/core.c perf_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)