How to trace an iOS app with dtrace in a simulator

Hey everybody!

I need to collect all my app function calls since it starts. I'm trying to use the dtrace tool, however, the app crashes.

Steps to reproduce:

1. Configure lldb to break app execution on start: (lldb) settings set target.process.stop-on-sharedlibrary-events 1.
2. Run the app in a simulator and wait it hits the breakpoint.
3. Run the dtrace from a terminal:

$ sudo dtrace -qn 'pid$target:::entry' -p $(pgrep -x MyApp)

1. Detach the debugger: (lldb) process detach

My app crashes instantly:

Incident Identifier: 2C1D5F92-D282-4AD1-A7B2-F14FB3E1D848
CrashReporter Key:   19EF8693-57CE-CC1B-873D-AD4D9D549E6E
Hardware Model:      MacBookPro18,2
Process:             MyApp [25120]
Path:                /Users/USER/Library/Developer/CoreSimulator/Devices/5AF0B43E-B4BF-44CC-A7CA-B727C4E675B0/data/Containers/Bundle/Application/E1786004-CD42-42EB-B0C3-ACF3E7C96394/MyApp/MyApp
Identifier:          local.MyApp
Version:             1.0 (1)
Code Type:           ARM-64 (Native)
Role:                Foreground
Parent Process:      launchd_sim [27288]
Coalition:           com.apple.CoreSimulator.SimDevice.5AF0B43E-B4BF-44CC-A7CA-B727C4E675B0 [4660]
Responsible Process: SimulatorTrampoline [3083]

Date/Time:           2023-04-04 11:38:33.4457 +0300
Launch Time:         2023-04-04 11:37:58.5666 +0300
OS Version:          macOS 13.3 (22E252)
Release Type:        User
Report Version:      104

Exception Type:  EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000001, 0x0000000102400000
Termination Reason: SIGNAL 5 Trace/BPT trap: 5
Terminating Process: exc handler [25120]

Triggered by Thread:  0

Thread 0 Crashed:
0   ???                           	       0x102400000 ???
1   dyld                          	       0x10264fbe0 dyld4::prepareSim(dyld4::RuntimeState&, char const*) + 904
2   dyld                          	       0x10264e64c dyld4::prepare(dyld4::APIs&, dyld3::MachOAnalyzer const*) + 276
3   dyld                          	       0x10264de18 start + 1964


Thread 0 crashed with ARM Thread State (64-bit):
    x0: 0x0000000000000000   x1: 0x0000000000000001   x2: 0x000000016da7cb30   x3: 0x0000000000000000
    x4: 0x0000000000000000   x5: 0x0000000000000000   x6: 0x0000000000000000   x7: 0x0000000000000000
    x8: 0x0000000000000000   x9: 0x000000016da7cb38  x10: 0x0000000102538000  x11: 0x00000001023bc0b0
   x12: 0x0000000000000000  x13: 0x0000000000000b00  x14: 0x0000000000000000  x15: 0x0000000000000000
   x16: 0x00000001026bec34  x17: 0x19580001026da038  x18: 0x0000000000000000  x19: 0x0000000000000000
   x20: 0x000000016da7cdb0  x21: 0x0000000000000001  x22: 0x000000016da7cb40  x23: 0x0000000102400000
   x24: 0x00000001024a4000  x25: 0x0000000000094000  x26: 0x0000000000000000  x27: 0x0000000000000000
   x28: 0x0000000000000000   fp: 0x000000016da7cbe0   lr: 0x000000010267ec00
    sp: 0x000000016da7cb30   pc: 0x0000000102400000 cpsr: 0x80001000
   far: 0x0000000102624000  esr: 0xf2000000 (Breakpoint) brk 0

Binary Images:
       0x102648000 -        0x1026d7fff dyld (*) <6f2c2bb8-4bbc-3b64-b927-d3f3193b6295> /usr/lib/dyld
       0x102538000 -        0x102587fff dyld_sim (*) <4eba7f04-0a30-3166-8a68-9125b8a1d5f9> /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/usr/lib/dyld_sim
               0x0 - 0xffffffffffffffff ??? (*) <00000000-0000-0000-0000-000000000000> ???

Error Formulating Crash Report:
dyld_process_snapshot_get_shared_cache failed

EOF