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src/os/aix/vm/libperfstat_aix.cpp
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rev 9422 : 8143125-Further Developments for AIX
@@ -20,105 +20,349 @@
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
-#include "runtime/arguments.hpp"
#include "libperfstat_aix.hpp"
+#include "misc_aix.hpp"
-// For dlopen and friends
-#include <fcntl.h>
+#include <dlfcn.h>
+#include <sys/systemcfg.h>
-// handle to the libperfstat
+// Handle to the libperfstat.
static void* g_libhandle = NULL;
-// whether initialization worked
-static bool g_initialized = false;
-
-
-typedef int (*fun_perfstat_cpu_total_t) (perfstat_id_t *name, perfstat_cpu_total_t* userbuff,
+typedef int (*fun_perfstat_cpu_total_t) (perfstat_id_t *name, PERFSTAT_CPU_TOTAL_T_LATEST* userbuff,
int sizeof_userbuff, int desired_number);
typedef int (*fun_perfstat_memory_total_t) (perfstat_id_t *name, perfstat_memory_total_t* userbuff,
int sizeof_userbuff, int desired_number);
+typedef int (*fun_perfstat_partition_total_t) (perfstat_id_t *name,
+ PERFSTAT_PARTITON_TOTAL_T_LATEST* userbuff, int sizeof_userbuff,
+ int desired_number);
+
+typedef int (*fun_perfstat_wpar_total_t) (perfstat_id_wpar_t *name,
+ PERFSTAT_WPAR_TOTAL_T_LATEST* userbuff, int sizeof_userbuff,
+ int desired_number);
+
typedef void (*fun_perfstat_reset_t) ();
+typedef cid_t (*fun_wpar_getcid_t) ();
+
static fun_perfstat_cpu_total_t g_fun_perfstat_cpu_total = NULL;
static fun_perfstat_memory_total_t g_fun_perfstat_memory_total = NULL;
+static fun_perfstat_partition_total_t g_fun_perfstat_partition_total = NULL;
+static fun_perfstat_wpar_total_t g_fun_perfstat_wpar_total = NULL;
static fun_perfstat_reset_t g_fun_perfstat_reset = NULL;
+static fun_wpar_getcid_t g_fun_wpar_getcid = NULL;
bool libperfstat::init() {
- if (g_initialized) {
- return true;
- }
-
- g_initialized = false;
-
- // dynamically load the libperfstat porting library.
+ // Dynamically load the libperfstat porting library.
g_libhandle = dlopen("/usr/lib/libperfstat.a(shr_64.o)", RTLD_MEMBER | RTLD_NOW);
if (!g_libhandle) {
- if (Verbose) {
- fprintf(stderr, "Cannot load libperfstat.a (dlerror: %s)", dlerror());
- }
+ trcVerbose("Cannot load libperfstat.a (dlerror: %s)", dlerror());
return false;
}
- // resolve function pointers
+ // Resolve function pointers
#define RESOLVE_FUN_NO_ERROR(name) \
g_fun_##name = (fun_##name##_t) dlsym(g_libhandle, #name);
#define RESOLVE_FUN(name) \
RESOLVE_FUN_NO_ERROR(name) \
if (!g_fun_##name) { \
- if (Verbose) { \
- fprintf(stderr, "Cannot resolve " #name "() from libperfstat.a\n" \
+ trcVerbose("Cannot resolve " #name "() from libperfstat.a\n" \
" (dlerror: %s)", dlerror()); \
- } \
return false; \
}
+ // These functions may or may not be there depending on the OS release.
+ RESOLVE_FUN_NO_ERROR(perfstat_partition_total);
+ RESOLVE_FUN_NO_ERROR(perfstat_wpar_total);
+ RESOLVE_FUN_NO_ERROR(wpar_getcid);
+
+ // These functions are required for every release.
RESOLVE_FUN(perfstat_cpu_total);
RESOLVE_FUN(perfstat_memory_total);
RESOLVE_FUN(perfstat_reset);
- g_initialized = true;
+ trcVerbose("libperfstat loaded.");
return true;
}
void libperfstat::cleanup() {
- g_initialized = false;
-
if (g_libhandle) {
dlclose(g_libhandle);
g_libhandle = NULL;
}
g_fun_perfstat_cpu_total = NULL;
g_fun_perfstat_memory_total = NULL;
+ g_fun_perfstat_partition_total = NULL;
+ g_fun_perfstat_wpar_total = NULL;
g_fun_perfstat_reset = NULL;
+ g_fun_wpar_getcid = NULL;
+
}
int libperfstat::perfstat_memory_total(perfstat_id_t *name,
perfstat_memory_total_t* userbuff,
int sizeof_userbuff, int desired_number) {
- assert(g_initialized, "libperfstat not initialized");
- assert(g_fun_perfstat_memory_total, "");
+ if (g_fun_perfstat_memory_total == NULL) {
+ return -1;
+ }
return g_fun_perfstat_memory_total(name, userbuff, sizeof_userbuff, desired_number);
}
-int libperfstat::perfstat_cpu_total(perfstat_id_t *name, perfstat_cpu_total_t* userbuff,
+int libperfstat::perfstat_cpu_total(perfstat_id_t *name, PERFSTAT_CPU_TOTAL_T_LATEST* userbuff,
int sizeof_userbuff, int desired_number) {
- assert(g_initialized, "libperfstat not initialized");
- assert(g_fun_perfstat_cpu_total, "");
+ if (g_fun_perfstat_cpu_total == NULL) {
+ return -1;
+ }
return g_fun_perfstat_cpu_total(name, userbuff, sizeof_userbuff, desired_number);
}
+int libperfstat::perfstat_partition_total(perfstat_id_t *name, PERFSTAT_PARTITON_TOTAL_T_LATEST* userbuff,
+ int sizeof_userbuff, int desired_number)
+{
+ if (g_fun_perfstat_partition_total == NULL) {
+ return -1;
+ }
+ return g_fun_perfstat_partition_total(name, userbuff, sizeof_userbuff, desired_number);
+}
+
+int libperfstat::perfstat_wpar_total(perfstat_id_wpar_t *name, PERFSTAT_WPAR_TOTAL_T_LATEST* userbuff,
+ int sizeof_userbuff, int desired_number)
+{
+ if (g_fun_perfstat_wpar_total == NULL) {
+ return -1;
+ }
+ return g_fun_perfstat_wpar_total(name, userbuff, sizeof_userbuff, desired_number);
+}
+
void libperfstat::perfstat_reset() {
- assert(g_initialized, "libperfstat not initialized");
- assert(g_fun_perfstat_reset, "");
+ if (g_fun_perfstat_reset != NULL) {
g_fun_perfstat_reset();
+ }
+}
+
+cid_t libperfstat::wpar_getcid() {
+ if (g_fun_wpar_getcid == NULL) {
+ return (cid_t) -1;
+ }
+ return g_fun_wpar_getcid();
}
+
+
+//////////////////// convenience functions, release-independent /////////////////////////////
+
+// Excerpts from systemcfg.h definitions newer than AIX 5.2 and XLC 8
+// SAPJVM MBS 2012-08-14 : on AIX 5.3/ xlC10 some of the definitions are available but
+// e.g. PV_/ stuff is still missing so keep the definitions
+//
+// XLC 8 build is using the systemcfg.h from /usr/vacpp/include/sys instead of /usr/include/sys
+// Missing values for the version field
+#define PV_5_2 0x0F0001 /* Power PC 5 */
+#define PV_5_3 0x0F0002 /* Power PC 5 */
+#define PV_6 0x100000 /* Power PC 6 */
+#define PV_6_1 0x100001 /* Power PC 6 DD1.x */
+#define PV_7 0x200000 /* Power PC 7 */
+#define PV_5_Compat 0x0F8000 /* Power PC 5 */
+#define PV_6_Compat 0x108000 /* Power PC 6 */
+#define PV_7_Compat 0x208000 /* Power PC 7 */
+#define PV_8 0x300000 /* Power PC 8 */
+#define PV_8_Compat 0x308000 /* Power PC 8 */
+
+
+// Retrieve global cpu information.
+bool libperfstat::get_cpuinfo(cpuinfo_t* pci) {
+
+ assert(pci, "get_cpuinfo: invalid parameter");
+ memset(pci, 0, sizeof(cpuinfo_t));
+
+ PERFSTAT_CPU_TOTAL_T_LATEST psct;
+ memset (&psct, '\0', sizeof(psct));
+
+ if (-1 == libperfstat::perfstat_cpu_total(NULL, &psct, sizeof(PERFSTAT_CPU_TOTAL_T_LATEST), 1)) {
+ if (-1 == libperfstat::perfstat_cpu_total(NULL, &psct, sizeof(perfstat_cpu_total_t_61), 1)) {
+ if (-1 == libperfstat::perfstat_cpu_total(NULL, &psct, sizeof(perfstat_cpu_total_t_53), 1)) {
+ if (-1 == libperfstat::perfstat_cpu_total(NULL, &psct, sizeof(perfstat_cpu_total_t_52), 1)) {
+ trcVerbose("perfstat_cpu_total() failed (errno=%d)", errno);
+ return false;
+ }
+ }
+ }
+ }
+
+ // Global cpu information.
+ strcpy (pci->description, psct.description);
+ pci->processorHZ = psct.processorHZ;
+ pci->ncpus = psct.ncpus;
+ for (int i = 0; i < 3; i++) {
+ pci->loadavg[i] = (double) psct.loadavg[i] / (1 << SBITS);
+ }
+
+ pci->user_clock_ticks = psct.user;
+ pci->sys_clock_ticks = psct.sys;
+ pci->idle_clock_ticks = psct.idle;
+ pci->wait_clock_ticks = psct.wait;
+
+ // Get the processor version from _system_configuration.
+ switch (_system_configuration.version) {
+ case PV_8:
+ strcpy(pci->version, "Power PC 8");
+ break;
+ case PV_7:
+ strcpy(pci->version, "Power PC 7");
+ break;
+ case PV_6_1:
+ strcpy(pci->version, "Power PC 6 DD1.x");
+ break;
+ case PV_6:
+ strcpy(pci->version, "Power PC 6");
+ break;
+ case PV_5:
+ strcpy(pci->version, "Power PC 5");
+ break;
+ case PV_5_2:
+ strcpy(pci->version, "Power PC 5_2");
+ break;
+ case PV_5_3:
+ strcpy(pci->version, "Power PC 5_3");
+ break;
+ case PV_5_Compat:
+ strcpy(pci->version, "PV_5_Compat");
+ break;
+ case PV_6_Compat:
+ strcpy(pci->version, "PV_6_Compat");
+ break;
+ case PV_7_Compat:
+ strcpy(pci->version, "PV_7_Compat");
+ break;
+ case PV_8_Compat:
+ strcpy(pci->version, "PV_8_Compat");
+ break;
+ default:
+ strcpy(pci->version, "unknown");
+ }
+
+ return true;
+
+}
+
+// Retrieve partition information.
+bool libperfstat::get_partitioninfo(partitioninfo_t* ppi) {
+
+ assert(ppi, "get_partitioninfo: invalid parameter");
+ memset(ppi, 0, sizeof(partitioninfo_t));
+
+ PERFSTAT_PARTITON_TOTAL_T_LATEST pspt;
+ memset(&pspt, '\0', sizeof(pspt));
+
+ bool ame_details = true;
+
+ if (-1 == libperfstat::perfstat_partition_total(NULL, &pspt, sizeof(PERFSTAT_PARTITON_TOTAL_T_LATEST), 1)) {
+ if (-1 == libperfstat::perfstat_partition_total(NULL, &pspt, sizeof(perfstat_partition_total_t_71), 1)) {
+ ame_details = false;
+ if (-1 == libperfstat::perfstat_partition_total(NULL, &pspt, sizeof(perfstat_partition_total_t_61), 1)) {
+ if (-1 == libperfstat::perfstat_partition_total(NULL, &pspt, sizeof(perfstat_partition_total_t_53), 1)) {
+ if (-1 == libperfstat::perfstat_partition_total(NULL, &pspt, sizeof(perfstat_partition_total_t_53_5), 1)) {
+ trcVerbose("perfstat_partition_total() failed (errno=%d)", errno);
+ return false;
+ }
+ }
+ }
+ }
+ }
+
+ // partition type info
+ ppi->shared_enabled = pspt.type.b.shared_enabled;
+ ppi->smt_capable = pspt.type.b.smt_capable;
+ ppi->smt_enabled = pspt.type.b.smt_enabled;
+ ppi->lpar_capable = pspt.type.b.lpar_capable;
+ ppi->lpar_enabled = pspt.type.b.lpar_enabled;
+ ppi->dlpar_capable = pspt.type.b.dlpar_capable;
+ ppi->capped = pspt.type.b.capped;
+ ppi->kernel_is_64 = pspt.type.b.kernel_is_64;
+ ppi->pool_util_authority = pspt.type.b.pool_util_authority;
+ ppi->donate_capable = pspt.type.b.donate_capable;
+ ppi->donate_enabled = pspt.type.b.donate_enabled;
+ ppi->ams_capable = pspt.type.b.ams_capable;
+ ppi->ams_enabled = pspt.type.b.ams_enabled;
+ ppi->power_save = pspt.type.b.power_save;
+ ppi->ame_enabled = pspt.type.b.ame_enabled;
+
+ // Partition total info.
+ ppi->online_cpus = pspt.online_cpus;
+ ppi->entitled_proc_capacity = pspt.entitled_proc_capacity;
+ ppi->var_proc_capacity_weight = pspt.var_proc_capacity_weight;
+ ppi->phys_cpus_pool = pspt.phys_cpus_pool;
+ ppi->pool_id = pspt.pool_id;
+ ppi->entitled_pool_capacity = pspt.entitled_pool_capacity;
+ strcpy(ppi->name, pspt.name);
+
+ // Added values to ppi that we need for later computation of cpu utilization
+ // ( pool authorization needed for pool_idle_time ??? )
+ ppi->timebase_last = pspt.timebase_last;
+ ppi->pool_idle_time = pspt.pool_idle_time;
+ ppi->pcpu_tics_user = pspt.puser;
+ ppi->pcpu_tics_sys = pspt.psys;
+ ppi->pcpu_tics_idle = pspt.pidle;
+ ppi->pcpu_tics_wait = pspt.pwait;
+
+ // Additional AME information.
+ if(ame_details) {
+ ppi->true_memory = pspt.true_memory * 4096;
+ ppi->expanded_memory = pspt.expanded_memory * 4096;
+ ppi->target_memexp_factr = pspt.target_memexp_factr;
+ ppi->current_memexp_factr = pspt.current_memexp_factr;
+ ppi->cmcs_total_time = pspt.cmcs_total_time;
+ }
+
+ return true;
+
+}
+
+// Retrieve wpar information.
+bool libperfstat::get_wparinfo(wparinfo_t* pwi) {
+
+ assert(pwi, "get_wparinfo: invalid parameter");
+ memset(pwi, 0, sizeof(wparinfo_t));
+
+ if (libperfstat::wpar_getcid() <= 0) {
+ return false;
+ }
+
+ PERFSTAT_WPAR_TOTAL_T_LATEST pswt;
+ memset (&pswt, '\0', sizeof(pswt));
+
+ if (-1 == libperfstat::perfstat_wpar_total(NULL, &pswt, sizeof(PERFSTAT_WPAR_TOTAL_T_LATEST), 1)) {
+ if (-1 == libperfstat::perfstat_wpar_total(NULL, &pswt, sizeof(perfstat_wpar_total_t_61), 1)) {
+ trcVerbose("perfstat_wpar_total() failed (errno=%d)", errno);
+ return false;
+ }
+ }
+
+ // WPAR type info.
+ pwi->app_wpar = pswt.type.b.app_wpar;
+ pwi->cpu_rset = pswt.type.b.cpu_rset;
+ pwi->cpu_xrset = pswt.type.b.cpu_xrset;
+ pwi->cpu_limits = pswt.type.b.cpu_limits;
+ pwi->mem_limits = pswt.type.b.mem_limits;
+ // WPAR total info.
+ strcpy(pwi->name, pswt.name);
+ pwi->wpar_id = pswt.wpar_id;
+ pwi->cpu_limit = pswt.cpu_limit;
+ pwi->mem_limit = pswt.mem_limit;
+
+ return true;
+
+}
+
+
+
+
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