Perf-Tools-Unstable

• bitesize-perf(8) show disk I/O size as a histogram. Uses Linux perf_events.
• cachestat-perf(8) Measure page cache hits/misses. Uses Linux ftrace.
• execsnoop-perf(8) trace process exec() with arguments. Uses Linux ftrace.
• funccount-perf(8) count kernel function calls matching specified wildcards. Uses Linux ftrace.
• funcgraph-perf(8) trace kernel function graph, showing child function calls and times. Uses Linux ftrace.
• funcslower-perf(8) trace kernel functions slower than a threshold (microseconds). Uses Linux ftrace.
• functrace-perf(8) trace kernel function calls matching specified wildcards. Uses Linux ftrace.
• iolatency-perf(8) summarize block device I/O latency as a histogram. Uses Linux ftrace.
• iosnoop-perf(8) trace block I/O events as they occur. Uses Linux ftrace.
• killsnoop-perf(8) trace kill() syscalls with process and signal details. Uses Linux ftrace.
• kprobe-perf(8) trace a given kprobe definition. Kernel dynamic tracing. Uses Linux ftrace.
• opensnoop-perf(8) trace open() syscalls with file details. Uses Linux ftrace.
• perf-stat-hist-perf(8) histogram summary of tracepoint values. Uses Linux perf_events.
• reset-ftrace-perf(8) reset state of ftrace, disabling all tracing. Written for Linux ftrace.
• syscount-perf(8) count system calls. Uses Linux perf_events.
• tcpretrans-perf(8) show TCP retransmits, with address and other details. Uses Linux ftrace.
• tpoint-perf(8) trace a given tracepoint. Static tracing. Uses Linux ftrace.
• uprobe-perf(8) trace a given uprobe definition. User-level dynamic tracing. Uses Linux ftrace. EXPERIMENTAL.