diff options
Diffstat (limited to 'include/system/cpu-timers.h')
-rw-r--r-- | include/system/cpu-timers.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/include/system/cpu-timers.h b/include/system/cpu-timers.h index 64ae54f..a1abed0 100644 --- a/include/system/cpu-timers.h +++ b/include/system/cpu-timers.h @@ -15,64 +15,6 @@ /* init the whole cpu timers API, including icount, ticks, and cpu_throttle */ void cpu_timers_init(void); -/* icount - Instruction Counter API */ - -/** - * ICountMode: icount enablement state: - * - * @ICOUNT_DISABLED: Disabled - Do not count executed instructions. - * @ICOUNT_PRECISE: Enabled - Fixed conversion of insn to ns via "shift" option - * @ICOUNT_ADAPTATIVE: Enabled - Runtime adaptive algorithm to compute shift - */ -typedef enum { - ICOUNT_DISABLED = 0, - ICOUNT_PRECISE, - ICOUNT_ADAPTATIVE, -} ICountMode; - -#if defined(CONFIG_TCG) && !defined(CONFIG_USER_ONLY) -extern ICountMode use_icount; -#define icount_enabled() (use_icount) -#else -#define icount_enabled() ICOUNT_DISABLED -#endif - -/* - * Update the icount with the executed instructions. Called by - * cpus-tcg vCPU thread so the main-loop can see time has moved forward. - */ -void icount_update(CPUState *cpu); - -/* get raw icount value */ -int64_t icount_get_raw(void); - -/* return the virtual CPU time in ns, based on the instruction counter. */ -int64_t icount_get(void); -/* - * convert an instruction counter value to ns, based on the icount shift. - * This shift is set as a fixed value with the icount "shift" option - * (precise mode), or it is constantly approximated and corrected at - * runtime in adaptive mode. - */ -int64_t icount_to_ns(int64_t icount); - -/** - * icount_configure: configure the icount options, including "shift" - * @opts: Options to parse - * @errp: pointer to a NULL-initialized error object - * - * Return: true on success, else false setting @errp with error - */ -bool icount_configure(QemuOpts *opts, Error **errp); - -/* used by tcg vcpu thread to calc icount budget */ -int64_t icount_round(int64_t count); - -/* if the CPUs are idle, start accounting real time to virtual clock. */ -void icount_start_warp_timer(void); -void icount_account_warp_timer(void); -void icount_notify_exit(void); - /* * CPU Ticks and Clock */ |