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Date: Fri, 11 Apr 2008 19:53:56 -0700
From: Julian Elischer <julian@elischer.org>
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Subject: stack hogs in kernel
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A few years ago I took a profile of stack hogs in the kernel.
I just redid the exercise...

   http://people.freebsd.org/~julian/stack-hogs.txt


the worst offenders in MY (2 month old) kernel are:

0xc05667e3 kldstat [kernel]:				2100
0xc07214f8 sendsig [kernel]:				1416
0xc04fb426 ugenread [kernel]:				1200
0xc070616b ipmi_smbios_identify [kernel]:		1136
0xc050bd26 usbd_new_device [kernel]:			1128
0xc0525a83 pfs_readlink [kernel]:			1092
0xc04fb407 ugenwrite [kernel]:				1056
0xc055ea33 prison_enforce_statfs [kernel]:		1044
0xc0686e8a nfsrv_rename [kernel]:			984
0xc05d0886 m_copymdata [kernel]:			956
0xc06605a3 nfs4_mount [kernel]:				884
0xc0561e25 kse_switchin [kernel]:			848
0xc0680ac6 nfsrv_statfs [kernel]:			828
0xc0439473 cam_periph_error [kernel]:			820
0xc071ff36 sigreturn [kernel]:				812
0xc067e876 nfsrv_fsinfo [kernel]:			804
0xc05fe7b3 freebsd4_fhstatfs [kernel]:			804
0xc0571272 sysctl_out_proc [kernel]:			804
0xc067ebf7 nfsrv_fsinfo [kernel]:			804
0xc0571006 sysctl_out_proc [kernel]:			804
0xc044b743 cddone [kernel]:				800
0xc06862cf nfsrv_link [kernel]:				796