有人熟悉pstack命令么，现在pmap看到该进程占用的内存非常多？如何判断什么问题？

bulletming

有人熟悉pstack命令么，现在pmap看到该进程占用的内存非常多？如何判断什么问题？

1. $pstack 21406
   
2. 21406:  /data1/app/iplanet/server5/bin/msg/imta/bin/tcp_smtp_server
   
3. -----------------  lwp# 2 / thread# 2  --------------------
   
4. fe41f4ac signotifywait ()
   
5. fe2fe980 _dynamiclwps (fe31c000, 0, 0, fe43f518, 1, 0) + 24
   
6. fe301c90 thr_yield (0, 0, 0, 0, 0, 0) + 8c
   
7. -----------------  lwp# 4 / thread# 7  --------------------
   
8. fe3092fc lwp_cond_wait (fe31cd30, fe31cd18, fde0bd30)
   
9. fe2f89b0 _co_timerset (fe31cd30, fe31c000, fe31cd18, fde0bd30, fe31c000, 0) + a0
   
10. fe30b11c _thread_start (0, 0, 0, 0, 0, 0) + 40
    
11. -----------------  lwp# 7 / thread# 4  --------------------
    
12. fe41fb5c lwp_sema_wait (fe101e60)
    
13. fe2f96f4 _park    (fe101e60, fe31c000, 0, fe101d98, 23154, fdf0dd98) + 114
    
14. fe2f93bc _swtch   (fe101d98, 0, fe31c000, 5, 1000, 0) + 424
    
15. fe2f81c4 cond_wait (fe101d98, 0, 0, fe31c000, 0, 0) + 11c
    
16. fe2f8088 pthread_cond_wait (ff17fba8, ff17cb88, fe101d2c, 0, 0, 0) + 8
    
17. fec26acc pmt_refresh_stats (0, fe1d5d38, 0, 5, 1, fe400000) + ec
    
18. fe30b11c _thread_start (0, 0, 0, 0, 0, 0) + 40
    
19. -----------------  lwp# 28 / thread# 6  --------------------
    
20. fe41fb5c lwp_sema_wait (fe0b1e60)
    
21. fe2f96f4 _park    (fe0b1e60, fe31c000, 0, fe0b1d98, 23154, fdf0dd98) + 114
    
22. fe2f93bc _swtch   (fe0b1d98, 0, fe31c000, 5, 1000, 0) + 424
    
23. fe2f7da0 cond_reltimedwait (0, fe0b1d98, 0, fe31c000, 0, 0) + 1dc
    
24. fe2f7bb4 cond_timedwait (ff151870, ff1519c8, fe0b1d2c, ff151870, 0, 0) + 2c
    
25. fe2f7b1c pthread_cond_timedwait (ff151870, ff1519c8, fe0b1d2c, 0, 0, 0) + c
    
26. febfe798 dispatcher_housekeeping (0, fe322710, 0, 5, 1, fe401000) + 1a8
    
27. fe30b11c _thread_start (0, 0, 0, 0, 0, 0) + 40
    
28. -----------------  lwp# 29  --------------------------------
    
29. fe3092fc lwp_cond_wait (fe3234f0, fe323500, fe31cd88)
    
30. fe2f8cdc _age     (3e, fe31cd74, fe31c000, fe328d0c, 0, fe401000) + 74
    
31. fe2f8c60 _qswtch  (f7d09d98, f7f0dd38, 1, fe328d0c, 0, 2) + 118
    
32. -----------------  lwp# 54 / thread# 3  --------------------
    
33. fe41fb5c lwp_sema_wait (fdf0de60)
    
34. fe2f96f4 _park    (fdf0de60, fe31c000, 0, fdf0dd98, 23154, fe0b1d98) + 114
    
35. fe2f93bc _swtch   (fdf0dd98, fdf0dd98, fe31c000, 5, 1000, 1) + 424
    
36. fe2fd9e0 _reap_wait (fe320988, fe31c000, 0, 1a15, 0, 3c) + 38
    
37. fe2fd738 _reaper  (fe31ce08, fe1d5d38, fe320988, fe31cde0, 0, fe400000) + 38
    
38. fe30b11c _thread_start (0, 0, 0, 0, 0, 0) + 40
    
39. --------------------------  thread# 1  --------------------
    
40. fe2f81c4 cond_wait (28330, 0, 0, fe31c000, 0, 0) + 11c
    
41. fe2f8088 pthread_cond_wait (ff1519a0, ff151988, ff151988, 0, fe31c000, 0) + 8
    
42. febfeeb8 dispatcher_initialize (ffbef830, 0, 128b0, ffbef6e8, 6c40c, 12d58) + 660
    
43. 00013214 main     (1, ffbef8b4, ffbef8bc, 28000, 0, 0) + 874
    
44. 00012884 _start   (0, 0, 0, 0, 0, 0) + dc
    
45. --------------------------  thread# 5  --------------------
    
46. fe2f93bc _swtch   (0, 0, 0, a492, c1b6, 0) + 424

复制代码

bulletming

顶，没人研究过pstack命令么？