| /* |
| * Copyright (c) 2012, 2016 SAP SE. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "libperfstat_aix.hpp" |
| #include "misc_aix.hpp" |
| |
| #include <dlfcn.h> |
| #include <sys/systemcfg.h> |
| |
| // Handle to the libperfstat. |
| static void* g_libhandle = NULL; |
| |
| 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() { |
| |
| // Dynamically load the libperfstat porting library. |
| g_libhandle = dlopen("/usr/lib/libperfstat.a(shr_64.o)", RTLD_MEMBER | RTLD_NOW); |
| if (!g_libhandle) { |
| trcVerbose("Cannot load libperfstat.a (dlerror: %s)", dlerror()); |
| return false; |
| } |
| |
| // 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) { \ |
| 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); |
| |
| trcVerbose("libperfstat loaded."); |
| |
| return true; |
| } |
| |
| void libperfstat::cleanup() { |
| |
| 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) { |
| 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_LATEST* userbuff, |
| int sizeof_userbuff, int desired_number) { |
| 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() { |
| 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 5.3 (our oldest build platform) |
| |
| #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_71), 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)) { |
| 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; |
| } |