IAR Cortex-M3 Timing Benchmarks

Target Platform: ti.platforms.simplelink:CC1350:1

Tool Chain Version: 8.20.2.58

BIOS Version: bios_6_55_00_05_eng

XDCTools Version: xdctools_3_50_05_12_core

Benchmark Cycles
Interrupt Latency 156
Hwi_restore() 14
Hwi_disable() 17
Hwi dispatcher prolog 120
Hwi dispatcher epilog 205
Hwi dispatcher 314
Hardware Interrupt to Blocked Task 539
Hardware Interrupt to Software Interrupt 387
Swi_enable() 76
Swi_disable() 17
Post Software Interrupt Again 36
Post Software Interrupt without Context Switch 101
Post Software Interrupt with Context Switch 212
Create a New Task without Context Switch 4637
Set a Task Priority without a Context Switch 202
Task_yield() 212
Post Semaphore No Waiting Task 60
Post Semaphore No Task Switch 202
Post Semaphore with Task Switch 266
Pend on Semaphore No Context Switch 71
Pend on Semaphore with Task Switch 300
Clock_getTicks() 197
POSIX Create a New Task without Context Switch 7520
POSIX Set a Task Priority without a Context Switch 281
POSIX Post Semaphore No Waiting Task 75
POSIX Post Semaphore No Task Switch 215
POSIX Post Semaphore with Task Switch 277
POSIX Pend on Semaphore No Context Switch 85
POSIX Pend on Semaphore with Task Switch 313

The M3 target also supports zero latency interrupts. See ti.sysbios.family.arm.m3.Hwi cdocs for details.

See the SYS/BIOS User’s Guide for more information regarding how interrupt latency is calculated.