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Commit f642089c authored by Thomas Renninger's avatar Thomas Renninger Committed by Dominik Brodowski
Browse files

cpupower: AMD fam14h/Ontario monitor can also be used by fam12h cpus 



The name of the monitor is updated at runtime to the name of the
CPU type.

Signed-off-by: default avatarThomas Renninger <trenn@suse.de>
CC: Andreas Herrmann <herrmann.der.user@googlemail.com>
Signed-off-by: default avatarDominik Brodowski <linux@dominikbrodowski.net>
parent 568a8990

tools/power/cpupower/man/cpupower-monitor.1

+1 −1
Original line number Diff line number Diff line
@@ -107,7 +107,7 @@ Deepest package sleep states may in reality show up as machine/platform wide 
sleep states and can only be entered if all cores are idle. Look up Intel

manuals (some are provided in the References section) for further details.



.SS "Ontario" "Liano"

.SS "Fam_12h" "Fam_14h"

AMD laptop and desktop processor (family 12h and 14h) sleep state counters.

The registers are accessed via PCI and therefore can still be read out while

cores have been offlined.

tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c

+8 −8
Original line number Diff line number Diff line
@@ -281,13 +281,13 @@ struct cpuidle_monitor *amd_fam14h_register(void) 
	if (cpupower_cpu_info.vendor != X86_VENDOR_AMD)

		return NULL;



	if (cpupower_cpu_info.family == 0x14) {

		if (cpu_count <= 0 || cpu_count > 2) {

			fprintf(stderr, "AMD fam14h: Invalid cpu count: %d\n",

				cpu_count);

			return NULL;

		}

	} else

	if (cpupower_cpu_info.family == 0x14)

		strncpy(amd_fam14h_monitor.name, "Fam_14h",

			MONITOR_NAME_LEN - 1);

	else if (cpupower_cpu_info.family == 0x12)

		strncpy(amd_fam14h_monitor.name, "Fam_12h",

			MONITOR_NAME_LEN - 1);

	else

		return NULL;



	/* We do not alloc for nbp1 machine wide counter */
@@ -322,7 +322,7 @@ static void amd_fam14h_unregister(void) 
}



struct cpuidle_monitor amd_fam14h_monitor = {

	.name			= "Ontario",

	.name			= "",

	.hw_states		= amd_fam14h_cstates,

	.hw_states_num		= AMD_FAM14H_STATE_NUM,

	.start			= amd_fam14h_start,