irq cpu usage

perf top
LOW (OK)---------------------------------------------------------------
 29.82%  libm-2.33.so               [.] sinf32x
  20.78%  libm-2.33.so               [.] cosf32x
   7.12%  [kernel]                   [k] __raw_spin_unlock_irq
   6.15%  stress                     [.] cpuStressWorker
   2.21%  stress                     [.] cos@plt
   1.51%  stress                     [.] sin@plt
   1.30%  libTracyClient.so.0.11.1   [.] tracy::LZ4_compress_fast_continue
   1.15%  [kernel]                   [k] _raw_spin_unlock_irqrestore
   0.65%  libTracyClient.so.0.11.1   [.] tracy::SysTraceWorker
   0.64%  stress                     [.] __libc_start_main@plt
   0.62%  libgcc_s.so.1              [.] __udivmoddi4
   0.55%  stress                     [.] nanosleep@plt

DURING SPIKE (NOT OK)--------------------------------------------------
 29.62%  libm-2.33.so               [.] sinf32x
  20.71%  libm-2.33.so               [.] cosf32x
   7.39%  [kernel]                   [k] __raw_spin_unlock_irq
   6.14%  stress                     [.] cpuStressWorker
   2.18%  stress                     [.] cos@plt
   1.46%  stress                     [.] sin@plt
   1.17%  libTracyClient.so.0.11.1   [.] tracy::LZ4_compress_fast_continue
   1.13%  [kernel]                   [k] _raw_spin_unlock_irqrestore
   0.65%  libTracyClient.so.0.11.1   [.] tracy::SysTraceWorker
   0.55%  libgcc_s.so.1              [.] __udivmoddi4
   0.55%  stress                     [.] __libc_start_main@plt
   0.52%  stress                     [.] nanosleep@plt