J’espère poser mon sujet dans la bonne rubrique

J'ai un soucis , petit , mais pénible. J'ai effectué une mise à niveau de Manjaro ( Noyau 6.1.41-1) et diverses mise à jour. Je constate depuis une lenteur de plusieurs applications, Firefox met une plombe à s'ouvrir lorsque je le lance pour la première fois durant la session. Le simple lecteur de PDF pareil

Alors que Chromium va s'executer en un clin d'oeil par exemple.
Je suis sur Manjaro depuis des mois, voir année maintenant. C'est la première fois que je constate ce genre de chose.
Pensez vous que je dois rétrograder de noyau ?
Je suis encore noob en language Terminal , allez y molo svp

[jonathan@jonathan-manjaro ~]$ inxi -Fza
System:
Kernel: 6.1.41-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 13.1.1
parameters: BOOT_IMAGE=/boot/vmlinuz-6.1-x86_64
root=UUID=c9b969b8-f0d4-49cc-a6c8-baf99dd87b9a rw quiet apparmor=1
security=apparmor udev.log_priority=3
Desktop: Xfce v: 4.18.1 tk: Gtk v: 3.24.36 info: xfce4-panel wm: xfwm
v: 4.18.0 vt: 7 dm: LightDM v: 1.32.0 Distro: Manjaro Linux base: Arch Linux
Machine:
Type: Desktop Mobo: Acer model: Veriton M4620G v: v1.0
serial: <superuser required> UEFI: Acer v: P21-A2 date: 12/10/2012
CPU:
Info: model: Intel Core i5-3570 bits: 64 type: MCP arch: Ivy Bridge
gen: core 3 level: v2 built: 2012-15 process: Intel 22nm family: 6
model-id: 0x3A (58) stepping: 9 microcode: 0x21
Topology: cpus: 1x cores: 4 smt: <unsupported> cache: L1: 256 KiB
desc: d-4x32 KiB; i-4x32 KiB L2: 1024 KiB desc: 4x256 KiB L3: 6 MiB
desc: 1x6 MiB
Speed (MHz): avg: 2064 high: 2391 min/max: 1600/3800 scaling:
driver: intel_cpufreq governor: schedutil cores: 1: 2300 2: 1707 3: 2391
4: 1860 bogomips: 27147
Flags: avx ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
Vulnerabilities:
Type: itlb_multihit status: KVM: VMX disabled
Type: l1tf mitigation: PTE Inversion; VMX: conditional cache flushes, SMT
disabled
Type: mds mitigation: Clear CPU buffers; SMT disabled
Type: meltdown mitigation: PTI
Type: mmio_stale_data status: Unknown: No mitigations
Type: retbleed status: Not affected
Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
prctl
Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
sanitization
Type: spectre_v2 mitigation: Retpolines, IBPB: conditional, IBRS_FW,
STIBP: disabled, RSB filling, PBRSB-eIBRS: Not affected
Type: srbds status: Vulnerable: No microcode
Type: tsx_async_abort status: Not affected
Graphics:
Device-1: NVIDIA GM107GL [Quadro K2200] driver: nvidia v: 535.86.05
alternate: nouveau,nvidia_drm non-free: 535.xx+
status: current (as of 2023-07) arch: Maxwell code: GMxxx
process: TSMC 28nm built: 2014-19 pcie: gen: 1 speed: 2.5 GT/s lanes: 16
link-max: gen: 2 speed: 5 GT/s bus-ID: 01:00.0 chip-ID: 10de:13ba
class-ID: 0300
Device-2: ARC Camera driver: hid-generic,snd-usb-audio,usbhid,uvcvideo
type: USB rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 2-1.6:3
chip-ID: 05a3:9331 class-ID: 0300 serial: <filter>
Display: x11 server: X.Org v: 21.1.8 compositor: xfwm v: 4.18.0 driver: X:
loaded: nvidia gpu: nvidia display-ID: :0.0 screens: 1
Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x286mm (20.00x11.26")
s-diag: 583mm (22.95")
Monitor-1: DVI-I-1 res: 1920x1080 hz: 60 dpi: 102
size: 480x270mm (18.9x10.63") diag: 551mm (21.68") modes: N/A
API: OpenGL v: 4.6.0 NVIDIA 535.86.05 renderer: Quadro K2200/PCIe/SSE2
direct-render: Yes
Audio:
Device-1: Intel 7 Series/C216 Family High Definition Audio
vendor: Acer Incorporated ALI 7 driver: snd_hda_intel v: kernel
bus-ID: 00:1b.0 chip-ID: 8086:1e20 class-ID: 0403
Device-2: NVIDIA GM107 High Definition Audio [GeForce 940MX]
driver: snd_hda_intel v: kernel pcie: gen: 2 speed: 5 GT/s lanes: 16
bus-ID: 01:00.1 chip-ID: 10de:0fbc class-ID: 0403
Device-3: ARC Camera driver: hid-generic,snd-usb-audio,usbhid,uvcvideo
type: USB rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 2-1.6:3
chip-ID: 05a3:9331 class-ID: 0300 serial: <filter>
API: ALSA v: k6.1.41-1-MANJARO status: kernel-api with: aoss
type: oss-emulator tools: alsactl,alsamixer,amixer
Server-1: JACK v: 1.9.22 status: off tools: N/A
Server-2: PipeWire v: 0.3.75 status: off tools: pw-cli
Server-3: PulseAudio v: 16.1 status: active with: pulseaudio-alsa
type: plugin tools: pacat,pactl,pavucontrol
Network:
Device-1: Broadcom NetXtreme BCM5761 Gigabit Ethernet PCIe
vendor: Acer Incorporated ALI driver: tg3 v: kernel pcie: gen: 1
speed: 2.5 GT/s lanes: 1 port: N/A bus-ID: 03:00.0 chip-ID: 14e4:1681
class-ID: 0200
IF: enp3s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
Drives:
Local Storage: total: 1.13 TiB used: 179.52 GiB (15.5%)
SMART Message: Required tool smartctl not installed. Check --recommends
ID-1: /dev/sda maj-min: 8:0 vendor: PNY model: CS900 240GB SSD
size: 223.57 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
tech: SSD serial: <filter> fw-rev: 0BB3 scheme: GPT
ID-2: /dev/sdb maj-min: 8:16 vendor: Western Digital
model: WD10EZEX-22RKKA0 size: 931.51 GiB block-size: physical: 4096 B
logical: 512 B speed: 3.0 Gb/s tech: N/A serial: <filter> fw-rev: 0A80
scheme: MBR
Partition:
ID-1: / raw-size: 223.27 GiB size: 218.71 GiB (97.96%)
used: 179.52 GiB (82.1%) fs: ext4 dev: /dev/sda2 maj-min: 8:2
ID-2: /boot/efi raw-size: 300 MiB size: 299.4 MiB (99.80%)
used: 312 KiB (0.1%) fs: vfat dev: /dev/sda1 maj-min: 8:1
Swap:
Alert: No swap data was found.
Sensors:
System Temperatures: cpu: 34.0 C mobo: N/A
Fan Speeds (RPM): N/A
Info:
Processes: 197 Uptime: 31m wakeups: 0 Memory: total: 8 GiB
available: 7.7 GiB used: 1.65 GiB (21.5%) Init: systemd v: 253
default: graphical tool: systemctl Compilers: gcc: 13.1.1 clang: 15.0.7
Packages: 1499 pm: pacman pkgs: 1475 libs: 446 tools: pamac,trizen
pm: flatpak pkgs: 24 Shell: Bash v: 5.1.16 running-in: xfce4-terminal
inxi: 3.3.28