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我正在尝试在奔腾 D 处理器（戴尔 OptiPlex-GX620 桌面）上运行的 Ubuntu 12.10 下使用 oprofile 0.9.8。当我尝试像“operf ls”这样简单的事情时，我得到了

perf_event_open failed with Invalid argument
Caught runtime_error: Internal Error.  Perf event setup failed.
Error running profiler

通过安装带有 timer=1 的模块（见下文），我在 sudo 下使用 opcontrol 命令成功地在传统模式下运行 oprofile。

operf 似乎对这种配置不满意——这是新的首选方法。

我已经验证所有依赖包都已加载。

在 oprofile 网站上，他们没有将 pentium D 称为单独的架构，因此不确定它是否使用常规的 Pentium 架构。

我到处搜索，找不到这样的报道。任何帮助将不胜感激在此处确定问题。

PS 当我使用 opcontrol 以传统模式运行时，我取得了一些成功：

denham@denham-OptiPlex-GX620:~$ sudo opcontrol --start
ATTENTION: Use of opcontrol is discouraged.  Please see the man page for operf.
Using default event: GLOBAL_POWER_EVENTS:100000:1:1:1
Error: counter 0 not available nmi_watchdog using this resource ? Try:
opcontrol --deinit
echo 0 > /proc/sys/kernel/nmi_watchdog

**When I force the module to be installed with timer=1**

denham@denham-OptiPlex-GX620:~$ sudo opcontrol --deinit
Unloading oprofile module
denham@denham-OptiPlex-GX620:~$ sudo modprobe oprofile timer=1
denham@denham-OptiPlex-GX620:~$ sudo opcontrol --no-vmlinux
denham@denham-OptiPlex-GX620:~$ sudo opcontrol --start
ATTENTION: Use of opcontrol is discouraged.  Please see the man page for operf.
Using 2.6+ OProfile kernel interface.
Using log file /var/lib/oprofile/samples/oprofiled.log
Daemon started.
Profiler running.
denham@denham-OptiPlex-GX620:~$ ./a
^C
denham@denham-OptiPlex-GX620:~$ sudo opcontrol --shutdown

Stopping profiling.
Killing daemon.
denham@denham-OptiPlex-GX620:~$ opreport --callgraph
Using /var/lib/oprofile/samples/ for samples directory.
warning: /no-vmlinux could not be found.
warning: [vdso] (tgid:1697 range:0xb77ab000-0xb77ac000) could not be found.
warning: [vdso] (tgid:1728 range:0xb77b6000-0xb77b7000) could not be found.
warning: [vdso] (tgid:3310 range:0xb7702000-0xb7703000) could not be found.
CPU: CPU with timer interrupt, speed 2992.41 MHz (estimated)
Profiling through timer interrupt
samples  %        image name               app name                 symbol name
-------------------------------------------------------------------------------
31878    81.1868  no-vmlinux               no-vmlinux               /no-vmlinux
  31878    100.000  no-vmlinux               no-vmlinux               /no-vmlinux [self]
-------------------------------------------------------------------------------
2820      7.1820  a                        a                        main
  2820     100.000  a                        a                        main [self]
-------------------------------------------------------------------------------
1065      2.7123  vino-server              vino-server              /usr/lib/vino/vino-server
  1065     100.000  vino-server              vino-server              /usr/lib/vino/vino-server [self]
-------------------------------------------------------------------------------
1056      2.6894  a                        a                        b
  1056     100.000  a                        a                        b [self]
-------------------------------------------------------------------------------
1013      2.5799  a                        a                        c
  1013     100.000  a                        a                        c [self]
-------------------------------------------------------------------------------
968       2.4653  a                        a                        d
  968      100.000  a                        a                        d [self]
-------------------------------------------------------------------------------
264       0.6724  libc-2.15.so             libc-2.15.so             /lib/i386-linux-gnu/libc-2.15.so
 . . . . .
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于 2013-04-17T11:49:53.217 回答