Author: rlibby Date: Wed Dec 11 06:50:55 2019 New Revision: 355605 URL: https://svnweb.freebsd.org/changeset/base/355605
Log: uma: pretty print zone flags sysctl Requested by: jeff Reviewed by: jeff, markj Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D22748 Modified: head/sys/vm/uma_core.c head/sys/vm/uma_int.h Modified: head/sys/vm/uma_core.c ============================================================================== --- head/sys/vm/uma_core.c Wed Dec 11 06:34:48 2019 (r355604) +++ head/sys/vm/uma_core.c Wed Dec 11 06:50:55 2019 (r355605) @@ -289,6 +289,7 @@ static int sysctl_vm_zone_count(SYSCTL_HANDLER_ARGS); static int sysctl_vm_zone_stats(SYSCTL_HANDLER_ARGS); static int sysctl_handle_uma_zone_allocs(SYSCTL_HANDLER_ARGS); static int sysctl_handle_uma_zone_frees(SYSCTL_HANDLER_ARGS); +static int sysctl_handle_uma_zone_flags(SYSCTL_HANDLER_ARGS); #ifdef INVARIANTS static bool uma_dbg_kskip(uma_keg_t keg, void *mem); @@ -1896,8 +1897,9 @@ zone_alloc_sysctl(uma_zone_t zone, void *unused) oid = zone->uz_oid; SYSCTL_ADD_U32(NULL, SYSCTL_CHILDREN(oid), OID_AUTO, "size", CTLFLAG_RD, &zone->uz_size, 0, "Allocation size"); - SYSCTL_ADD_U32(NULL, SYSCTL_CHILDREN(oid), OID_AUTO, - "flags", CTLFLAG_RD, &zone->uz_flags, 0, + SYSCTL_ADD_PROC(NULL, SYSCTL_CHILDREN(oid), OID_AUTO, + "flags", CTLFLAG_RD | CTLTYPE_STRING | CTLFLAG_MPSAFE, + zone, 0, sysctl_handle_uma_zone_flags, "A", "Allocator configuration flags"); SYSCTL_ADD_U16(NULL, SYSCTL_CHILDREN(oid), OID_AUTO, "bucket_size", CTLFLAG_RD, &zone->uz_bucket_size, 0, @@ -4406,6 +4408,24 @@ sysctl_handle_uma_zone_frees(SYSCTL_HANDLER_ARGS) cur = uma_zone_get_frees(zone); return (sysctl_handle_64(oidp, &cur, 0, req)); +} + +static int +sysctl_handle_uma_zone_flags(SYSCTL_HANDLER_ARGS) +{ + struct sbuf sbuf; + uma_zone_t zone = arg1; + int error; + + sbuf_new_for_sysctl(&sbuf, NULL, 0, req); + if (zone->uz_flags != 0) + sbuf_printf(&sbuf, "0x%b", zone->uz_flags, PRINT_UMA_ZFLAGS); + else + sbuf_printf(&sbuf, "0"); + error = sbuf_finish(&sbuf); + sbuf_delete(&sbuf); + + return (error); } #ifdef INVARIANTS Modified: head/sys/vm/uma_int.h ============================================================================== --- head/sys/vm/uma_int.h Wed Dec 11 06:34:48 2019 (r355604) +++ head/sys/vm/uma_int.h Wed Dec 11 06:50:55 2019 (r355605) @@ -420,6 +420,32 @@ struct uma_zone { #define UMA_ZFLAG_INHERIT \ (UMA_ZFLAG_INTERNAL | UMA_ZFLAG_CACHEONLY | UMA_ZFLAG_BUCKET) +#define PRINT_UMA_ZFLAGS "\20" \ + "\40CACHEONLY" \ + "\37TRASH" \ + "\36INTERNAL" \ + "\35BUCKET" \ + "\34RECLAIMING" \ + "\33CACHE" \ + "\22MINBUCKET" \ + "\21NUMA" \ + "\20PCPU" \ + "\17NODUMP" \ + "\16VTOSLAB" \ + "\15CACHESPREAD" \ + "\14MAXBUCKET" \ + "\13NOBUCKET" \ + "\12SECONDARY" \ + "\11HASH" \ + "\10VM" \ + "\7MTXCLASS" \ + "\6NOFREE" \ + "\5MALLOC" \ + "\4OFFPAGE" \ + "\3STATIC" \ + "\2ZINIT" \ + "\1PAGEABLE" + #undef UMA_ALIGN #ifdef _KERNEL _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
