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Differential D23718 Diff 70084 head/sys/cddl/compat/opensolaris/kern/opensolaris_kstat.c

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head/sys/cddl/compat/opensolaris/kern/opensolaris_kstat.c

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#include <sys/kernel.h> #include <sys/kernel.h>
#include <sys/systm.h> #include <sys/systm.h>
#include <sys/malloc.h> #include <sys/malloc.h>
#include <sys/sysctl.h> #include <sys/sysctl.h>
#include <sys/kstat.h> #include <sys/kstat.h>
static MALLOC_DEFINE(M_KSTAT, "kstat_data", "Kernel statistics"); static MALLOC_DEFINE(M_KSTAT, "kstat_data", "Kernel statistics");
SYSCTL_ROOT_NODE(OID_AUTO, kstat, CTLFLAG_RW, 0, "Kernel statistics"); SYSCTL_ROOT_NODE(OID_AUTO, kstat, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
"Kernel statistics");
kstat_t * kstat_t *
kstat_create(char *module, int instance, char *name, char *class, uchar_t type, kstat_create(char *module, int instance, char *name, char *class, uchar_t type,
ulong_t ndata, uchar_t flags) ulong_t ndata, uchar_t flags)
{ {
struct sysctl_oid *root; struct sysctl_oid *root;
kstat_t *ksp; kstat_t *ksp;
Show All 11 Lineskstat_create(char *module, int instance, char *name, char *class, uchar_t type,
/* /*
* Create sysctl tree for those statistics: * Create sysctl tree for those statistics:
* *
* kstat.<module>.<class>.<name>. * kstat.<module>.<class>.<name>.
*/ */
sysctl_ctx_init(&ksp->ks_sysctl_ctx); sysctl_ctx_init(&ksp->ks_sysctl_ctx);
root = SYSCTL_ADD_NODE(&ksp->ks_sysctl_ctx, root = SYSCTL_ADD_NODE(&ksp->ks_sysctl_ctx,
SYSCTL_STATIC_CHILDREN(_kstat), OID_AUTO, module, CTLFLAG_RW, 0, SYSCTL_STATIC_CHILDREN(_kstat), OID_AUTO, module,
""); CTLFLAG_RW | CTLFLAG_MPSAFE, 0, "");
if (root == NULL) { if (root == NULL) {
printf("%s: Cannot create kstat.%s tree!\n", __func__, module); printf("%s: Cannot create kstat.%s tree!\n", __func__, module);
sysctl_ctx_free(&ksp->ks_sysctl_ctx); sysctl_ctx_free(&ksp->ks_sysctl_ctx);
free(ksp, M_KSTAT); free(ksp, M_KSTAT);
return (NULL); return (NULL);
} }
root = SYSCTL_ADD_NODE(&ksp->ks_sysctl_ctx, SYSCTL_CHILDREN(root), root = SYSCTL_ADD_NODE(&ksp->ks_sysctl_ctx, SYSCTL_CHILDREN(root),
OID_AUTO, class, CTLFLAG_RW, 0, ""); OID_AUTO, class, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, "");
if (root == NULL) { if (root == NULL) {
printf("%s: Cannot create kstat.%s.%s tree!\n", __func__, printf("%s: Cannot create kstat.%s.%s tree!\n", __func__,
module, class); module, class);
sysctl_ctx_free(&ksp->ks_sysctl_ctx); sysctl_ctx_free(&ksp->ks_sysctl_ctx);
free(ksp, M_KSTAT); free(ksp, M_KSTAT);
return (NULL); return (NULL);
} }
root = SYSCTL_ADD_NODE(&ksp->ks_sysctl_ctx, SYSCTL_CHILDREN(root), root = SYSCTL_ADD_NODE(&ksp->ks_sysctl_ctx, SYSCTL_CHILDREN(root),
OID_AUTO, name, CTLFLAG_RW, 0, ""); OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, "");
if (root == NULL) { if (root == NULL) {
printf("%s: Cannot create kstat.%s.%s.%s tree!\n", __func__, printf("%s: Cannot create kstat.%s.%s.%s tree!\n", __func__,
module, class, name); module, class, name);
sysctl_ctx_free(&ksp->ks_sysctl_ctx); sysctl_ctx_free(&ksp->ks_sysctl_ctx);
free(ksp, M_KSTAT); free(ksp, M_KSTAT);
return (NULL); return (NULL);
} }
ksp->ks_sysctl_root = root; ksp->ks_sysctl_root = root;
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