Describe the Bug/Issue
Stuttering/lag during fights (mostly in instances like dungeons, raids, torghast)
Only happens with my sub rogue, I've tried disabling every other addon I have and the issue only happens with Sub Rogue and Hekili.

To Reproduce
N/A

Expected behavior
No lag/stuttering.

Screenshots
N/A

1.  The information from the Issue Reporting tab ( /hekili > Issue Reporting ).  This provides your talent and gear information.  You can paste it to pastebin.com and provide a link here.

PUT ISSUE REPORT LINK HERE:
build: v9.0.2-1.0.22
level: 60 (60)
class: ROGUE
spec: subtlety

talents: deeper_stratagem
enveloping_shadows
premeditation
secret_technique
shadow_focus
shot_in_the_dark
soothing_darkness

pvptalents: none

covenant: night_fae

sets: none

gear: abyssal_disharmony_breeches = 1
armguard_of_the_unseen_assailant = 1
cowled_batwing_cloak = 1
death_gods_signet = 1
gloves_of_obscure_rituals = 1
hood_of_the_hidden_path = 1
inscrutable_quantum_device = 1
phial_of_putrefaction = 1
rainshadow_hauberk = 1
sinful_aspirants_band = 1
sinful_aspirants_choker = 1
sinful_aspirants_dagger = 1
sinful_aspirants_leather_belt = 1
sinful_aspirants_leather_boots = 1
wicked_bladewing_pauldrons = 1

legendaries: none

itemIDs: 175859, 175878, 178293, 178299, 178470, 178691, 178698, 178757, 178771, 178858, 179350, 179355, 180108, 183034, 184657

settings: aoe = 2
buffPadding = 0
custom1Name = Custom 1
custom2Name = Custom 2
cycle = false
cycle_min = 6
damage = true
damageDots = false
damageExpiration = 6
damagePets = false
damageRange = 0
debuffPadding = 0
enabled = true
gcdSync = true
maxRefresh = 10
maxTime = 33
nameplateRange = 8
nameplates = true
package = Subtlety
petbased = false
potion = phantom_fire
potionsReset = 20180919.1
throttleRefresh = false
throttleTime = false
mfd_waste = true
priority_rotation = false
solo_vanish = true

toggles: cooldowns = false
custom1 = false
custom2 = false
defensives = true
essences = true
interrupts = false
mode = automatic
potions = false

PUT SNAPSHOT LINK HERE:
https://pastebin.com/ev24kgNh

You skipped this part:

BEFORE SUBMITTING AN ISSUE:

1. Check to see if you are using the latest version of the addon. If there is a newer alpha/beta/release version, see if your problem exists with the new version.

Update to the latest version of the addon, then submit a complete ticket if you're still seeing performance issues.