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@@ -2,7 +2,7 @@
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* turbostat -- show CPU frequency and C-state residency
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* on modern Intel turbo-capable processors.
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*
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- * Copyright (c) 2012 Intel Corporation.
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+ * Copyright (c) 2013 Intel Corporation.
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* Len Brown <len.brown@intel.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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@@ -47,6 +47,8 @@ unsigned int skip_c1;
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unsigned int do_nhm_cstates;
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unsigned int do_snb_cstates;
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unsigned int do_c8_c9_c10;
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+unsigned int do_slm_cstates;
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+unsigned int use_c1_residency_msr;
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unsigned int has_aperf;
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unsigned int has_epb;
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unsigned int units = 1000000000; /* Ghz etc */
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@@ -81,6 +83,8 @@ double rapl_joule_counter_range;
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#define RAPL_DRAM (1 << 3)
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#define RAPL_PKG_PERF_STATUS (1 << 4)
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#define RAPL_DRAM_PERF_STATUS (1 << 5)
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+#define RAPL_PKG_POWER_INFO (1 << 6)
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+#define RAPL_CORE_POLICY (1 << 7)
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#define TJMAX_DEFAULT 100
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#define MAX(a, b) ((a) > (b) ? (a) : (b))
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@@ -96,7 +100,7 @@ struct thread_data {
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unsigned long long tsc;
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unsigned long long aperf;
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unsigned long long mperf;
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- unsigned long long c1; /* derived */
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+ unsigned long long c1;
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unsigned long long extra_msr64;
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unsigned long long extra_delta64;
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unsigned long long extra_msr32;
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@@ -266,7 +270,7 @@ void print_header(void)
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outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64);
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if (do_nhm_cstates)
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outp += sprintf(outp, " %%c1");
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- if (do_nhm_cstates)
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+ if (do_nhm_cstates && !do_slm_cstates)
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outp += sprintf(outp, " %%c3");
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if (do_nhm_cstates)
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outp += sprintf(outp, " %%c6");
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@@ -280,9 +284,9 @@ void print_header(void)
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if (do_snb_cstates)
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outp += sprintf(outp, " %%pc2");
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- if (do_nhm_cstates)
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+ if (do_nhm_cstates && !do_slm_cstates)
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outp += sprintf(outp, " %%pc3");
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- if (do_nhm_cstates)
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+ if (do_nhm_cstates && !do_slm_cstates)
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outp += sprintf(outp, " %%pc6");
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if (do_snb_cstates)
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outp += sprintf(outp, " %%pc7");
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@@ -480,7 +484,7 @@ int format_counters(struct thread_data *t, struct core_data *c,
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if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
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goto done;
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- if (do_nhm_cstates)
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+ if (do_nhm_cstates && !do_slm_cstates)
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outp += sprintf(outp, " %6.2f", 100.0 * c->c3/t->tsc);
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if (do_nhm_cstates)
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outp += sprintf(outp, " %6.2f", 100.0 * c->c6/t->tsc);
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@@ -499,9 +503,9 @@ int format_counters(struct thread_data *t, struct core_data *c,
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if (do_snb_cstates)
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outp += sprintf(outp, " %6.2f", 100.0 * p->pc2/t->tsc);
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- if (do_nhm_cstates)
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+ if (do_nhm_cstates && !do_slm_cstates)
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outp += sprintf(outp, " %6.2f", 100.0 * p->pc3/t->tsc);
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- if (do_nhm_cstates)
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+ if (do_nhm_cstates && !do_slm_cstates)
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outp += sprintf(outp, " %6.2f", 100.0 * p->pc6/t->tsc);
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if (do_snb_cstates)
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outp += sprintf(outp, " %6.2f", 100.0 * p->pc7/t->tsc);
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@@ -648,17 +652,24 @@ delta_thread(struct thread_data *new, struct thread_data *old,
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}
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- /*
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- * As counter collection is not atomic,
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- * it is possible for mperf's non-halted cycles + idle states
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- * to exceed TSC's all cycles: show c1 = 0% in that case.
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- */
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- if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
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- old->c1 = 0;
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- else {
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- /* normal case, derive c1 */
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- old->c1 = old->tsc - old->mperf - core_delta->c3
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+ if (use_c1_residency_msr) {
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+ /*
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+ * Some models have a dedicated C1 residency MSR,
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+ * which should be more accurate than the derivation below.
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+ */
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+ } else {
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+ /*
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+ * As counter collection is not atomic,
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+ * it is possible for mperf's non-halted cycles + idle states
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+ * to exceed TSC's all cycles: show c1 = 0% in that case.
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+ */
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+ if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
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+ old->c1 = 0;
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+ else {
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+ /* normal case, derive c1 */
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+ old->c1 = old->tsc - old->mperf - core_delta->c3
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- core_delta->c6 - core_delta->c7;
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+ }
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}
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if (old->mperf == 0) {
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@@ -872,13 +883,21 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
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if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64))
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return -5;
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+ if (use_c1_residency_msr) {
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+ if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1))
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+ return -6;
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+ }
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+
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/* collect core counters only for 1st thread in core */
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if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
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return 0;
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- if (do_nhm_cstates) {
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+ if (do_nhm_cstates && !do_slm_cstates) {
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if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
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return -6;
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+ }
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+
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+ if (do_nhm_cstates) {
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if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
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return -7;
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}
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@@ -898,7 +917,7 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
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if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
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return 0;
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- if (do_nhm_cstates) {
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+ if (do_nhm_cstates && !do_slm_cstates) {
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if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
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return -9;
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if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
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@@ -977,7 +996,7 @@ void print_verbose_header(void)
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ratio, bclk, ratio * bclk);
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get_msr(0, MSR_IA32_POWER_CTL, &msr);
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- fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E: %sabled)\n",
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+ fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
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msr, msr & 0x2 ? "EN" : "DIS");
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if (!do_ivt_turbo_ratio_limit)
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@@ -1046,25 +1065,28 @@ print_nhm_turbo_ratio_limits:
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switch(msr & 0x7) {
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case 0:
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- fprintf(stderr, "pc0");
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+ fprintf(stderr, do_slm_cstates ? "no pkg states" : "pc0");
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break;
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case 1:
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- fprintf(stderr, do_snb_cstates ? "pc2" : "pc0");
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+ fprintf(stderr, do_slm_cstates ? "no pkg states" : do_snb_cstates ? "pc2" : "pc0");
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break;
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case 2:
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- fprintf(stderr, do_snb_cstates ? "pc6-noret" : "pc3");
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+ fprintf(stderr, do_slm_cstates ? "invalid" : do_snb_cstates ? "pc6-noret" : "pc3");
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break;
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case 3:
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- fprintf(stderr, "pc6");
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+ fprintf(stderr, do_slm_cstates ? "invalid" : "pc6");
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break;
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case 4:
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- fprintf(stderr, "pc7");
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+ fprintf(stderr, do_slm_cstates ? "pc4" : "pc7");
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break;
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case 5:
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- fprintf(stderr, do_snb_cstates ? "pc7s" : "invalid");
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+ fprintf(stderr, do_slm_cstates ? "invalid" : do_snb_cstates ? "pc7s" : "invalid");
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+ break;
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+ case 6:
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+ fprintf(stderr, do_slm_cstates ? "pc6" : "invalid");
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break;
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case 7:
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- fprintf(stderr, "unlimited");
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+ fprintf(stderr, do_slm_cstates ? "pc7" : "unlimited");
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break;
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default:
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fprintf(stderr, "invalid");
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@@ -1460,6 +1482,8 @@ int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
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case 0x3F: /* HSW */
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case 0x45: /* HSW */
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case 0x46: /* HSW */
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+ case 0x37: /* BYT */
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+ case 0x4D: /* AVN */
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return 1;
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case 0x2E: /* Nehalem-EX Xeon - Beckton */
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case 0x2F: /* Westmere-EX Xeon - Eagleton */
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@@ -1532,14 +1556,33 @@ int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p)
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#define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */
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#define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */
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+double get_tdp(model)
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+{
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+ unsigned long long msr;
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+
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+ if (do_rapl & RAPL_PKG_POWER_INFO)
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+ if (!get_msr(0, MSR_PKG_POWER_INFO, &msr))
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+ return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
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+
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+ switch (model) {
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+ case 0x37:
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+ case 0x4D:
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+ return 30.0;
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+ default:
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+ return 135.0;
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+ }
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+}
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+
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+
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/*
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* rapl_probe()
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*
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- * sets do_rapl
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+ * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
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*/
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void rapl_probe(unsigned int family, unsigned int model)
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{
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unsigned long long msr;
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+ unsigned int time_unit;
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double tdp;
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if (!genuine_intel)
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@@ -1555,11 +1598,15 @@ void rapl_probe(unsigned int family, unsigned int model)
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case 0x3F: /* HSW */
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case 0x45: /* HSW */
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case 0x46: /* HSW */
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- do_rapl = RAPL_PKG | RAPL_CORES | RAPL_GFX;
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+ do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO;
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break;
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case 0x2D:
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case 0x3E:
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- do_rapl = RAPL_PKG | RAPL_CORES | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS;
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+ do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO;
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+ break;
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+ case 0x37: /* BYT */
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+ case 0x4D: /* AVN */
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+ do_rapl = RAPL_PKG | RAPL_CORES ;
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break;
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default:
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return;
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@@ -1570,19 +1617,22 @@ void rapl_probe(unsigned int family, unsigned int model)
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return;
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rapl_power_units = 1.0 / (1 << (msr & 0xF));
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- rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
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- rapl_time_units = 1.0 / (1 << (msr >> 16 & 0xF));
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+ if (model == 0x37)
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+ rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
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+ else
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+ rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
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- /* get TDP to determine energy counter range */
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- if (get_msr(0, MSR_PKG_POWER_INFO, &msr))
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- return;
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+ time_unit = msr >> 16 & 0xF;
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+ if (time_unit == 0)
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+ time_unit = 0xA;
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- tdp = ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
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+ rapl_time_units = 1.0 / (1 << (time_unit));
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- rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
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+ tdp = get_tdp(model);
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+ rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
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if (verbose)
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- fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range\n", rapl_joule_counter_range);
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+ fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
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return;
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}
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@@ -1668,7 +1718,6 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
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{
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unsigned long long msr;
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int cpu;
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- double local_rapl_power_units, local_rapl_energy_units, local_rapl_time_units;
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if (!do_rapl)
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return 0;
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@@ -1686,23 +1735,13 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
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if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
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return -1;
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- local_rapl_power_units = 1.0 / (1 << (msr & 0xF));
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- local_rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
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- local_rapl_time_units = 1.0 / (1 << (msr >> 16 & 0xF));
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-
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- if (local_rapl_power_units != rapl_power_units)
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- fprintf(stderr, "cpu%d, ERROR: Power units mis-match\n", cpu);
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- if (local_rapl_energy_units != rapl_energy_units)
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- fprintf(stderr, "cpu%d, ERROR: Energy units mis-match\n", cpu);
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- if (local_rapl_time_units != rapl_time_units)
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- fprintf(stderr, "cpu%d, ERROR: Time units mis-match\n", cpu);
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-
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if (verbose) {
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fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx "
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"(%f Watts, %f Joules, %f sec.)\n", cpu, msr,
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- local_rapl_power_units, local_rapl_energy_units, local_rapl_time_units);
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+ rapl_power_units, rapl_energy_units, rapl_time_units);
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}
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- if (do_rapl & RAPL_PKG) {
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+ if (do_rapl & RAPL_PKG_POWER_INFO) {
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+
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if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr))
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return -5;
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@@ -1714,6 +1753,9 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
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((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
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((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
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+ }
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+ if (do_rapl & RAPL_PKG) {
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+
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if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr))
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return -9;
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@@ -1749,12 +1791,16 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
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print_power_limit_msr(cpu, msr, "DRAM Limit");
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}
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- if (do_rapl & RAPL_CORES) {
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+ if (do_rapl & RAPL_CORE_POLICY) {
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if (verbose) {
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if (get_msr(cpu, MSR_PP0_POLICY, &msr))
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return -7;
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fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF);
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+ }
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+ }
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+ if (do_rapl & RAPL_CORES) {
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+ if (verbose) {
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if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr))
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return -9;
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@@ -1813,10 +1859,48 @@ int has_c8_c9_c10(unsigned int family, unsigned int model)
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}
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+int is_slm(unsigned int family, unsigned int model)
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+{
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+ if (!genuine_intel)
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+ return 0;
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+ switch (model) {
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+ case 0x37: /* BYT */
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+ case 0x4D: /* AVN */
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+ return 1;
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+ }
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+ return 0;
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+}
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+
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+#define SLM_BCLK_FREQS 5
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+double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0};
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+
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+double slm_bclk(void)
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+{
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+ unsigned long long msr = 3;
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+ unsigned int i;
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+ double freq;
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+
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+ if (get_msr(0, MSR_FSB_FREQ, &msr))
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+ fprintf(stderr, "SLM BCLK: unknown\n");
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+
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+ i = msr & 0xf;
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+ if (i >= SLM_BCLK_FREQS) {
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+ fprintf(stderr, "SLM BCLK[%d] invalid\n", i);
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+ msr = 3;
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+ }
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+ freq = slm_freq_table[i];
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+
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+ fprintf(stderr, "SLM BCLK: %.1f Mhz\n", freq);
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+
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+ return freq;
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+}
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+
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double discover_bclk(unsigned int family, unsigned int model)
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{
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if (is_snb(family, model))
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return 100.00;
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+ else if (is_slm(family, model))
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+ return slm_bclk();
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else
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return 133.33;
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}
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@@ -1873,7 +1957,7 @@ int set_temperature_target(struct thread_data *t, struct core_data *c, struct pk
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fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
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cpu, msr, target_c_local);
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- if (target_c_local < 85 || target_c_local > 120)
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+ if (target_c_local < 85 || target_c_local > 127)
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goto guess;
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tcc_activation_temp = target_c_local;
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@@ -1970,6 +2054,7 @@ void check_cpuid()
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do_smi = do_nhm_cstates;
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do_snb_cstates = is_snb(family, model);
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do_c8_c9_c10 = has_c8_c9_c10(family, model);
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+ do_slm_cstates = is_slm(family, model);
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bclk = discover_bclk(family, model);
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do_nehalem_turbo_ratio_limit = has_nehalem_turbo_ratio_limit(family, model);
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@@ -2331,7 +2416,7 @@ int main(int argc, char **argv)
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cmdline(argc, argv);
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if (verbose)
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- fprintf(stderr, "turbostat v3.4 April 17, 2013"
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+ fprintf(stderr, "turbostat v3.5 April 26, 2013"
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" - Len Brown <lenb@kernel.org>\n");
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turbostat_init();
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