# perf trace -e probe_libc:*malloc/max-stack=12/ --max-events=5
     0.000 systemd-oomd/793920 probe_libc:__libc_malloc(__probe_ip: 140124753742976, bytes: 128)
                                       malloc (/usr/lib64/libc.so.6)
                                       cg_get_path (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       [0x7892] (/usr/lib/systemd/systemd-oomd)
                                       [0xa7a6] (/usr/lib/systemd/systemd-oomd)
                                       [0x2c03e4] (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_dispatch (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_run (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_loop (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       [0x6151] (/usr/lib/systemd/systemd-oomd)
                                       __libc_start_call_main (/usr/lib64/libc.so.6)
                                       __libc_start_main@@GLIBC_2.34 (/usr/lib64/libc.so.6)
                                       [0x6775] (/usr/lib/systemd/systemd-oomd)
     0.033 systemd-oomd/793920 probe_libc:__libc_malloc(__probe_ip: 140124753742976, bytes: 472)
                                       malloc (/usr/lib64/libc.so.6)
                                       xfopenat_full (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       read_resource_pressure (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       [0x7943] (/usr/lib/systemd/systemd-oomd)
                                       [0xa7a6] (/usr/lib/systemd/systemd-oomd)
                                       [0x2c03e4] (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_dispatch (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_run (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_loop (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       [0x6151] (/usr/lib/systemd/systemd-oomd)
                                       __libc_start_call_main (/usr/lib64/libc.so.6)
                                       __libc_start_main@@GLIBC_2.34 (/usr/lib64/libc.so.6)
     0.142 systemd-oomd/793920 probe_libc:__libc_malloc(__probe_ip: 140124753742976, bytes: 64)
                                       malloc (/usr/lib64/libc.so.6)
                                       read_line_full (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       read_resource_pressure (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       [0x7943] (/usr/lib/systemd/systemd-oomd)
                                       [0xa7a6] (/usr/lib/systemd/systemd-oomd)
                                       [0x2c03e4] (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_dispatch (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_run (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_loop (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       [0x6151] (/usr/lib/systemd/systemd-oomd)
                                       __libc_start_call_main (/usr/lib64/libc.so.6)
                                       __libc_start_main@@GLIBC_2.34 (/usr/lib64/libc.so.6)
     0.162 systemd-oomd/793920 probe_libc:__libc_malloc(__probe_ip: 140124753742976, bytes: 4096)
                                       malloc (/usr/lib64/libc.so.6)
                                       _IO_doallocbuf (/usr/lib64/libc.so.6)
                                       _IO_file_underflow@@GLIBC_2.2.5 (/usr/lib64/libc.so.6)
                                       _IO_default_uflow (/usr/lib64/libc.so.6)
                                       safe_fgetc (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       read_line_full (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       read_resource_pressure (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       [0x7943] (/usr/lib/systemd/systemd-oomd)
                                       [0xa7a6] (/usr/lib/systemd/systemd-oomd)
                                       [0x2c03e4] (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_dispatch (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_run (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
     0.211 systemd-oomd/793920 probe_libc:__libc_malloc(__probe_ip: 140124753742976, bytes: 64)
                                       malloc (/usr/lib64/libc.so.6)
                                       read_line_full (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       read_resource_pressure (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       [0x7943] (/usr/lib/systemd/systemd-oomd)
                                       [0xa7a6] (/usr/lib/systemd/systemd-oomd)
                                       [0x2c03e4] (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_dispatch (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_run (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       sd_event_loop (/usr/lib64/systemd/libsystemd-shared-254.10-1.fc39.so)
                                       [0x6151] (/usr/lib/systemd/systemd-oomd)
                                       __libc_start_call_main (/usr/lib64/libc.so.6)
                                       __libc_start_main@@GLIBC_2.34 (/usr/lib64/libc.so.6)
root@x1:~#