Author: markj Date: Tue Mar 5 19:45:37 2019 New Revision: 344823 URL: https://svnweb.freebsd.org/changeset/base/344823
Log: Show wiring state of map entries in procstat -v. Note that only entries wired by userspace are shown as such. In particular, entries transiently wired by sysctl_wire_old_buffer() are not flagged as wired in procstat -v output. Reviewed by: kib (previous version) MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D19461 Modified: head/sys/kern/kern_proc.c head/sys/sys/user.h head/usr.bin/procstat/procstat.1 head/usr.bin/procstat/procstat_vm.c Modified: head/sys/kern/kern_proc.c ============================================================================== --- head/sys/kern/kern_proc.c Tue Mar 5 19:41:32 2019 (r344822) +++ head/sys/kern/kern_proc.c Tue Mar 5 19:45:37 2019 (r344823) @@ -2487,6 +2487,8 @@ kern_proc_vmmap_out(struct proc *p, struct sbuf *sb, s kve->kve_flags |= KVME_FLAG_GROWS_UP; if (entry->eflags & MAP_ENTRY_GROWS_DOWN) kve->kve_flags |= KVME_FLAG_GROWS_DOWN; + if (entry->eflags & MAP_ENTRY_USER_WIRED) + kve->kve_flags |= KVME_FLAG_USER_WIRED; last_timestamp = map->timestamp; vm_map_unlock_read(map); Modified: head/sys/sys/user.h ============================================================================== --- head/sys/sys/user.h Tue Mar 5 19:41:32 2019 (r344822) +++ head/sys/sys/user.h Tue Mar 5 19:45:37 2019 (r344823) @@ -471,6 +471,7 @@ struct kinfo_file { #define KVME_FLAG_SUPER 0x00000008 #define KVME_FLAG_GROWS_UP 0x00000010 #define KVME_FLAG_GROWS_DOWN 0x00000020 +#define KVME_FLAG_USER_WIRED 0x00000040 #if defined(__amd64__) #define KINFO_OVMENTRY_SIZE 1168 Modified: head/usr.bin/procstat/procstat.1 ============================================================================== --- head/usr.bin/procstat/procstat.1 Tue Mar 5 19:41:32 2019 (r344822) +++ head/usr.bin/procstat/procstat.1 Tue Mar 5 19:45:37 2019 (r344823) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd October 14, 2017 +.Dd March 4, 2019 .Dt PROCSTAT 1 .Os .Sh NAME @@ -662,6 +662,11 @@ one or more superpage mappings are used grows down (top-down stack) .It U grows up (bottom-up stack) +.It W +pages in this range are locked by +.Xr mlock 2 +or +.Xr mlockall 2 .El .Ss ELF Auxiliary Vector Display ELF auxiliary vector values: @@ -684,6 +689,8 @@ auxiliary vector value .Xr sockstat 1 , .Xr cap_enter 2 , .Xr cap_rights_limit 2 , +.Xr mlock 2 , +.Xr mlockall 2 , .Xr libprocstat 3 , .Xr libxo 3 , .Xr signal 3 , Modified: head/usr.bin/procstat/procstat_vm.c ============================================================================== --- head/usr.bin/procstat/procstat_vm.c Tue Mar 5 19:41:32 2019 (r344822) +++ head/usr.bin/procstat/procstat_vm.c Tue Mar 5 19:45:37 2019 (r344823) @@ -53,7 +53,7 @@ procstat_vm(struct procstat *procstat, struct kinfo_pr ptrwidth = 2*sizeof(void *) + 2; if ((procstat_opts & PS_OPT_NOHEADER) == 0) - xo_emit("{T:/%5s %*s %*s %3s %4s %4s %3s %3s %-4s %-2s %-s}\n", + xo_emit("{T:/%5s %*s %*s %3s %4s %4s %3s %3s %-5s %-2s %-s}\n", "PID", ptrwidth, "START", ptrwidth, "END", "PRT", "RES", "PRES", "REF", "SHD", "FLAG", "TP", "PATH"); @@ -98,9 +98,11 @@ procstat_vm(struct procstat *procstat, struct kinfo_pr KVME_FLAG_NEEDS_COPY ? "N" : "-"); xo_emit("{d:super_pages/%-1s}", kve->kve_flags & KVME_FLAG_SUPER ? "S" : "-"); - xo_emit("{d:grows_down/%-1s} ", kve->kve_flags & + xo_emit("{d:grows_down/%-1s}", kve->kve_flags & KVME_FLAG_GROWS_UP ? "U" : kve->kve_flags & KVME_FLAG_GROWS_DOWN ? "D" : "-"); + xo_emit("{d:wired/%-1s} ", kve->kve_flags & + KVME_FLAG_USER_WIRED ? "W" : "-"); xo_open_container("kve_flags"); xo_emit("{en:copy_on_write/%s}", kve->kve_flags & KVME_FLAG_COW ? "true" : "false"); @@ -112,6 +114,8 @@ procstat_vm(struct procstat *procstat, struct kinfo_pr KVME_FLAG_GROWS_UP ? "true" : "false"); xo_emit("{en:grows_down/%s}", kve->kve_flags & KVME_FLAG_GROWS_DOWN ? "true" : "false"); + xo_emit("{en:wired/%s}", kve->kve_flags & + KVME_FLAG_USER_WIRED ? "true" : "false"); xo_close_container("kve_flags"); switch (kve->kve_type) { case KVME_TYPE_NONE: _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
