---
name: "perf_2.6.32-stat"
section: "1"
platform: "linux"
package: "linux-tools-2.6.32"
version: "2.6.32-48squeeze6"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/perf_2.6.32-stat"
---

# perf\_2.6.32-stat(1)

Run a command and gather performance counter statistics

## NAME

perf-stat - Run a command and gather performance counter statistics

## SYNOPSIS

```
perf stat [-e <EVENT> | --event=EVENT] [-S] [-a] <command>
perf stat [-e <EVENT> | --event=EVENT] [-S] [-a] — <command> [<options>]
```

## DESCRIPTION

This command runs a command and gathers performance counter statistics from it.

## OPTIONS

\<command\>...

Any command you can specify in a shell.

\-e, --event=

Select the PMU event. Selection can be a symbolic event name (use *perf list* to list all events) or a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a hexadecimal event descriptor.

- \-i, --inherit

  child tasks inherit counters

- \-p, --pid=\<pid\>

  stat events on existing pid

- \-a

  system-wide collection

- \-c

  scale counter values

## EXAMPLES

$ perf stat — make -j

```
Performance counter stats for 'make -j':
```

```
8117.370256  task clock ticks     #      11.281 CPU utilization factor
        678  context switches     #       0.000 M/sec
        133  CPU migrations       #       0.000 M/sec
     235724  pagefaults           #       0.029 M/sec
24821162526  CPU cycles           #    3057.784 M/sec
18687303457  instructions         #    2302.138 M/sec
  172158895  cache references     #      21.209 M/sec
   27075259  cache misses         #       3.335 M/sec
```

```
Wall-clock time elapsed:   719.554352 msecs
```

## SEE ALSO

[**perf\_2.6.32-top**(1)](/perf_2.6.32-top/1.md), [**perf\_2.6.32-list**(1)](/perf_2.6.32-list/1.md)