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| author | Yang Zhang <yang.z.zhang@intel.com> | 2011-10-25 16:46:47 +0100 |
|---|---|---|
| committer | Yang Zhang <yang.z.zhang@intel.com> | 2011-10-25 16:46:47 +0100 |
| commit | 56d1d85a0c580aa20ca7d4b15f19ace899bb5b36 (patch) | |
| tree | 998d74328d65747ce4bb4b1c69182b6edc2ffb9d /tools | |
| parent | 82017fad0d77cee9d4568146a63d97789fd6907e (diff) | |
| download | xen-56d1d85a0c580aa20ca7d4b15f19ace899bb5b36.tar.gz xen-56d1d85a0c580aa20ca7d4b15f19ace899bb5b36.tar.bz2 xen-56d1d85a0c580aa20ca7d4b15f19ace899bb5b36.zip | |
x86 pm: provide CC7/PC2 residency
Sandy bridge introduces new MSR to get cc7/pc2 residency (core C-state
7/package C-state 2). Print the cc7/pc2 residency when on sandy bridge
platform.
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Committed-by: Keir Fraser <keir@xen.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/libxc/xc_pm.c | 2 | ||||
| -rw-r--r-- | tools/libxc/xenctrl.h | 2 | ||||
| -rw-r--r-- | tools/misc/xenpm.c | 18 |
3 files changed, 18 insertions, 4 deletions
diff --git a/tools/libxc/xc_pm.c b/tools/libxc/xc_pm.c index 590e15d623..fa9b246c9d 100644 --- a/tools/libxc/xc_pm.c +++ b/tools/libxc/xc_pm.c @@ -155,11 +155,13 @@ int xc_pm_get_cxstat(xc_interface *xch, int cpuid, struct xc_cx_stat *cxpt) cxpt->nr = sysctl.u.get_pmstat.u.getcx.nr; cxpt->last = sysctl.u.get_pmstat.u.getcx.last; cxpt->idle_time = sysctl.u.get_pmstat.u.getcx.idle_time; + cxpt->pc2 = sysctl.u.get_pmstat.u.getcx.pc2; cxpt->pc3 = sysctl.u.get_pmstat.u.getcx.pc3; cxpt->pc6 = sysctl.u.get_pmstat.u.getcx.pc6; cxpt->pc7 = sysctl.u.get_pmstat.u.getcx.pc7; cxpt->cc3 = sysctl.u.get_pmstat.u.getcx.cc3; cxpt->cc6 = sysctl.u.get_pmstat.u.getcx.cc6; + cxpt->cc7 = sysctl.u.get_pmstat.u.getcx.cc7; unlock_2: xc_hypercall_bounce_post(xch, residencies); diff --git a/tools/libxc/xenctrl.h b/tools/libxc/xenctrl.h index 3ff943ff32..ad94f46b9d 100644 --- a/tools/libxc/xenctrl.h +++ b/tools/libxc/xenctrl.h @@ -1733,11 +1733,13 @@ struct xc_cx_stat { uint64_t idle_time; /* idle time from boot */ uint64_t *triggers; /* Cx trigger counts */ uint64_t *residencies; /* Cx residencies */ + uint64_t pc2; uint64_t pc3; uint64_t pc6; uint64_t pc7; uint64_t cc3; uint64_t cc6; + uint64_t cc7; }; typedef struct xc_cx_stat xc_cx_stat_t; diff --git a/tools/misc/xenpm.c b/tools/misc/xenpm.c index d8192fe3ae..82784c552a 100644 --- a/tools/misc/xenpm.c +++ b/tools/misc/xenpm.c @@ -92,13 +92,17 @@ static void print_cxstat(int cpuid, struct xc_cx_stat *cxstat) printf(" residency [%020"PRIu64" ms]\n", cxstat->residencies[i]/1000000UL); } - printf("pc3 : [%020"PRIu64" ms]\n" + printf("pc2 : [%020"PRIu64" ms]\n" + "pc3 : [%020"PRIu64" ms]\n" "pc6 : [%020"PRIu64" ms]\n" "pc7 : [%020"PRIu64" ms]\n", - cxstat->pc3/1000000UL, cxstat->pc6/1000000UL, cxstat->pc7/1000000UL); + cxstat->pc2/1000000UL, cxstat->pc3/1000000UL, + cxstat->pc6/1000000UL, cxstat->pc7/1000000UL); printf("cc3 : [%020"PRIu64" ms]\n" - "cc6 : [%020"PRIu64" ms]\n", - cxstat->cc3/1000000UL, cxstat->cc6/1000000UL); + "cc6 : [%020"PRIu64" ms]\n" + "cc7 : [%020"PRIu64" ms]\n", + cxstat->cc3/1000000UL, cxstat->cc6/1000000UL, + cxstat->cc7/1000000UL); printf("\n"); } @@ -458,6 +462,9 @@ static void signal_int_handler(int signo) break; } printf("Socket %d\n", socket_ids[i]); + res = cxstat_end[j].pc2 - cxstat_start[j].pc2; + printf("\tPC2\t%"PRIu64" ms\t%.2f%%\n", res / 1000000UL, + 100UL * res / (double)sum_cx[j]); res = cxstat_end[j].pc3 - cxstat_start[j].pc3; printf("\tPC3\t%"PRIu64" ms\t%.2f%%\n", res / 1000000UL, 100UL * res / (double)sum_cx[j]); @@ -482,6 +489,9 @@ static void signal_int_handler(int signo) res = cxstat_end[j].cc6 - cxstat_start[j].cc6; printf("\t\tCC6\t%"PRIu64" ms\t%.2f%%\n", res / 1000000UL, 100UL * res / (double)sum_cx[j]); + res = cxstat_end[j].cc7 - cxstat_start[j].cc7; + printf("\t\tCC7\t%"PRIu64" ms\t%.2f%%\n", res / 1000000UL, + 100UL * res / (double)sum_cx[j]); printf("\n"); } |